./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.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 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 14:48:52,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 14:48:52,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 14:48:52,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 14:48:52,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 14:48:52,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 14:48:52,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 14:48:52,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 14:48:52,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 14:48:52,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 14:48:52,360 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 14:48:52,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 14:48:52,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 14:48:52,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 14:48:52,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 14:48:52,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 14:48:52,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 14:48:52,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 14:48:52,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 14:48:52,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 14:48:52,371 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 14:48:52,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 14:48:52,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 14:48:52,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 14:48:52,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 14:48:52,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 14:48:52,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 14:48:52,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 14:48:52,381 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 14:48:52,382 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 14:48:52,382 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 14:48:52,383 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 14:48:52,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 14:48:52,384 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 14:48:52,385 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 14:48:52,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 14:48:52,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 14:48:52,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 14:48:52,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 14:48:52,386 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 14:48:52,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 14:48:52,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 14:48:52,388 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 14:48:52,403 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 14:48:52,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 14:48:52,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 14:48:52,404 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 14:48:52,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 14:48:52,404 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 14:48:52,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 14:48:52,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 14:48:52,405 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 14:48:52,406 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 14:48:52,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 14:48:52,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 14:48:52,406 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 14:48:52,406 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 14:48:52,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 14:48:52,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 14:48:52,407 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 14:48:52,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 14:48:52,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 14:48:52,408 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 14:48:52,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 14:48:52,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:48:52,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 14:48:52,409 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 14:48:52,409 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 14:48:52,409 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 14:48:52,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 14:48:52,410 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 14:48:52,410 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 14:48:52,410 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 14:48:52,410 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 104510927d9409ade9caf80490257750edc55f0d04f472d0e2cf5426e55ff4e4 [2022-07-12 14:48:52,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 14:48:52,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 14:48:52,637 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 14:48:52,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 14:48:52,638 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 14:48:52,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2022-07-12 14:48:52,694 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e933675/5816b18b27fa478fa7bf66f7747f2b39/FLAG9c52642f8 [2022-07-12 14:48:53,242 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 14:48:53,243 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2022-07-12 14:48:53,288 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e933675/5816b18b27fa478fa7bf66f7747f2b39/FLAG9c52642f8 [2022-07-12 14:48:53,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e933675/5816b18b27fa478fa7bf66f7747f2b39 [2022-07-12 14:48:53,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 14:48:53,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 14:48:53,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 14:48:53,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 14:48:53,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 14:48:53,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:48:53" (1/1) ... [2022-07-12 14:48:53,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11bf632c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:53, skipping insertion in model container [2022-07-12 14:48:53,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 02:48:53" (1/1) ... [2022-07-12 14:48:53,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 14:48:53,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 14:48:55,278 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307491,307504] [2022-07-12 14:48:55,284 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307636,307649] [2022-07-12 14:48:55,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:48:55,351 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 14:48:55,571 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307491,307504] [2022-07-12 14:48:55,571 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-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i[307636,307649] [2022-07-12 14:48:55,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 14:48:55,712 INFO L208 MainTranslator]: Completed translation [2022-07-12 14:48:55,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55 WrapperNode [2022-07-12 14:48:55,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 14:48:55,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 14:48:55,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 14:48:55,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 14:48:55,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:55,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:55,912 INFO L137 Inliner]: procedures = 391, calls = 2618, calls flagged for inlining = 190, calls inlined = 155, statements flattened = 4319 [2022-07-12 14:48:55,913 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 14:48:55,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 14:48:55,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 14:48:55,914 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 14:48:55,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:55,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:55,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:55,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:56,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:56,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:56,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:56,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 14:48:56,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 14:48:56,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 14:48:56,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 14:48:56,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (1/1) ... [2022-07-12 14:48:56,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 14:48:56,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 14:48:56,124 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) [2022-07-12 14:48:56,130 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 [2022-07-12 14:48:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_95 [2022-07-12 14:48:56,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_95 [2022-07-12 14:48:56,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 14:48:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 14:48:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 14:48:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 14:48:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 14:48:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 14:48:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_91 [2022-07-12 14:48:56,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_91 [2022-07-12 14:48:56,154 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_open [2022-07-12 14:48:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_open [2022-07-12 14:48:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 14:48:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-07-12 14:48:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-07-12 14:48:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resume [2022-07-12 14:48:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resume [2022-07-12 14:48:56,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 14:48:56,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 14:48:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 14:48:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 14:48:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 14:48:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 14:48:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 14:48:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 14:48:56,156 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 14:48:56,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 14:48:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2022-07-12 14:48:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_device_lock_of_kaweth_device [2022-07-12 14:48:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_rx_urb [2022-07-12 14:48:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_rx_urb [2022-07-12 14:48:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 14:48:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 14:48:56,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 14:48:56,157 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2022-07-12 14:48:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2022-07-12 14:48:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 14:48:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-12 14:48:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-12 14:48:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 14:48:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 14:48:56,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 14:48:56,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 14:48:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-12 14:48:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-12 14:48:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 14:48:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 14:48:56,159 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_close [2022-07-12 14:48:56,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_close [2022-07-12 14:48:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_download_firmware [2022-07-12 14:48:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_download_firmware [2022-07-12 14:48:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 14:48:56,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 14:48:56,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 14:48:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 14:48:56,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 14:48:56,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 14:48:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 14:48:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 14:48:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:48:56,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-12 14:48:56,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:48:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 14:48:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 14:48:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 14:48:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-12 14:48:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-12 14:48:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 14:48:56,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 14:48:56,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 14:48:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 14:48:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-07-12 14:48:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-07-12 14:48:56,164 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 14:48:56,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 14:48:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_tx_timeout [2022-07-12 14:48:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_tx_timeout [2022-07-12 14:48:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 14:48:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 14:48:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2022-07-12 14:48:56,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_kaweth_driver_exit_11_2 [2022-07-12 14:48:56,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-12 14:48:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-12 14:48:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 14:48:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 14:48:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 14:48:56,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 14:48:56,166 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-12 14:48:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-12 14:48:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_async_set_rx_mode [2022-07-12 14:48:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_async_set_rx_mode [2022-07-12 14:48:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 14:48:56,167 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 14:48:56,167 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 14:48:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 14:48:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 14:48:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 14:48:56,168 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 14:48:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 14:48:56,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 14:48:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 14:48:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 14:48:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-12 14:48:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-12 14:48:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 14:48:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 14:48:56,169 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-12 14:48:56,169 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-12 14:48:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-12 14:48:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-12 14:48:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 14:48:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 14:48:56,170 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 14:48:56,170 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 14:48:56,171 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_set_rx_mode [2022-07-12 14:48:56,171 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_set_rx_mode [2022-07-12 14:48:56,172 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-12 14:48:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-12 14:48:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 14:48:56,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 14:48:56,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 14:48:56,174 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_resubmit_int_urb [2022-07-12 14:48:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_resubmit_int_urb [2022-07-12 14:48:56,175 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_control [2022-07-12 14:48:56,175 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_control [2022-07-12 14:48:56,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 14:48:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 14:48:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_device_lock_of_kaweth_device [2022-07-12 14:48:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_device_lock_of_kaweth_device [2022-07-12 14:48:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-12 14:48:56,180 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_kill_urbs [2022-07-12 14:48:56,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_kill_urbs [2022-07-12 14:48:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2022-07-12 14:48:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2022-07-12 14:48:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure kaweth_disconnect [2022-07-12 14:48:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure kaweth_disconnect [2022-07-12 14:48:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 14:48:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 14:48:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 14:48:56,181 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-12 14:48:56,181 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-12 14:48:56,698 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 14:48:56,700 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 14:48:56,890 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 14:49:00,507 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 14:49:00,541 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 14:49:00,556 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 14:49:00,556 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 14:49:00,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:49:00 BoogieIcfgContainer [2022-07-12 14:49:00,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 14:49:00,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 14:49:00,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 14:49:00,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 14:49:00,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 02:48:53" (1/3) ... [2022-07-12 14:49:00,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb4ce1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:49:00, skipping insertion in model container [2022-07-12 14:49:00,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 02:48:55" (2/3) ... [2022-07-12 14:49:00,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bb4ce1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 02:49:00, skipping insertion in model container [2022-07-12 14:49:00,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 02:49:00" (3/3) ... [2022-07-12 14:49:00,566 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-usb-kaweth.cil.i [2022-07-12 14:49:00,577 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 14:49:00,578 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 14:49:00,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 14:49:00,636 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@5f09bc91, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@174d304d [2022-07-12 14:49:00,636 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 14:49:00,642 INFO L276 IsEmpty]: Start isEmpty. Operand has 1093 states, 752 states have (on average 1.2433510638297873) internal successors, (935), 757 states have internal predecessors, (935), 280 states have call successors, (280), 61 states have call predecessors, (280), 60 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) [2022-07-12 14:49:00,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-07-12 14:49:00,660 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:49:00,661 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 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] [2022-07-12 14:49:00,662 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:49:00,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:49:00,665 INFO L85 PathProgramCache]: Analyzing trace with hash -810960859, now seen corresponding path program 1 times [2022-07-12 14:49:00,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:49:00,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158012964] [2022-07-12 14:49:00,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:49:00,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:49:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:49:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:49:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:49:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:49:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:01,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:49:01,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:49:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:49:01,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:49:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:49:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 14:49:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 14:49:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 14:49:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 14:49:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 14:49:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:01,515 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-12 14:49:01,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:49:01,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158012964] [2022-07-12 14:49:01,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158012964] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:49:01,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:49:01,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:49:01,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047847136] [2022-07-12 14:49:01,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:49:01,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:49:01,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:49:01,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:49:01,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:49:01,558 INFO L87 Difference]: Start difference. First operand has 1093 states, 752 states have (on average 1.2433510638297873) internal successors, (935), 757 states have internal predecessors, (935), 280 states have call successors, (280), 61 states have call predecessors, (280), 60 states have return successors, (274), 273 states have call predecessors, (274), 274 states have call successors, (274) Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-12 14:49:08,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:49:09,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:49:09,219 INFO L93 Difference]: Finished difference Result 2671 states and 3704 transitions. [2022-07-12 14:49:09,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:49:09,222 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 155 [2022-07-12 14:49:09,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:49:09,240 INFO L225 Difference]: With dead ends: 2671 [2022-07-12 14:49:09,241 INFO L226 Difference]: Without dead ends: 1523 [2022-07-12 14:49:09,249 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:49:09,251 INFO L413 NwaCegarLoop]: 1493 mSDtfsCounter, 1209 mSDsluCounter, 2026 mSDsCounter, 0 mSdLazyCounter, 1550 mSolverCounterSat, 1018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 3519 SdHoareTripleChecker+Invalid, 2568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1018 IncrementalHoareTripleChecker+Valid, 1550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:49:09,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 3519 Invalid, 2568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1018 Valid, 1550 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2022-07-12 14:49:09,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1523 states. [2022-07-12 14:49:09,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1523 to 1500. [2022-07-12 14:49:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1500 states, 1075 states have (on average 1.2409302325581395) internal successors, (1334), 1083 states have internal predecessors, (1334), 333 states have call successors, (333), 91 states have call predecessors, (333), 91 states have return successors, (333), 330 states have call predecessors, (333), 333 states have call successors, (333) [2022-07-12 14:49:09,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1500 states and 2000 transitions. [2022-07-12 14:49:09,408 INFO L78 Accepts]: Start accepts. Automaton has 1500 states and 2000 transitions. Word has length 155 [2022-07-12 14:49:09,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:49:09,411 INFO L495 AbstractCegarLoop]: Abstraction has 1500 states and 2000 transitions. [2022-07-12 14:49:09,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-07-12 14:49:09,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1500 states and 2000 transitions. [2022-07-12 14:49:09,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-07-12 14:49:09,423 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:49:09,424 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:49:09,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 14:49:09,424 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:49:09,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:49:09,425 INFO L85 PathProgramCache]: Analyzing trace with hash -587412742, now seen corresponding path program 1 times [2022-07-12 14:49:09,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:49:09,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610003670] [2022-07-12 14:49:09,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:49:09,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:49:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:49:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:49:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:49:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:49:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:49:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:09,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:49:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:49:09,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:49:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:49:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 14:49:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-07-12 14:49:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:49:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:49:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 14:49:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:49:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 14:49:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 14:49:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:09,876 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-07-12 14:49:09,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:49:09,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610003670] [2022-07-12 14:49:09,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610003670] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:49:09,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:49:09,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:49:09,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821400131] [2022-07-12 14:49:09,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:49:09,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:49:09,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:49:09,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:49:09,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:49:09,879 INFO L87 Difference]: Start difference. First operand 1500 states and 2000 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-12 14:49:14,574 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:49:16,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:49:20,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:49:20,291 INFO L93 Difference]: Finished difference Result 3979 states and 5352 transitions. [2022-07-12 14:49:20,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 14:49:20,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 178 [2022-07-12 14:49:20,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:49:20,308 INFO L225 Difference]: With dead ends: 3979 [2022-07-12 14:49:20,308 INFO L226 Difference]: Without dead ends: 2500 [2022-07-12 14:49:20,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-12 14:49:20,315 INFO L413 NwaCegarLoop]: 1404 mSDtfsCounter, 1978 mSDsluCounter, 1939 mSDsCounter, 0 mSdLazyCounter, 2632 mSolverCounterSat, 1391 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 3343 SdHoareTripleChecker+Invalid, 4023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1391 IncrementalHoareTripleChecker+Valid, 2632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:49:20,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 3343 Invalid, 4023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1391 Valid, 2632 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-07-12 14:49:20,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2500 states. [2022-07-12 14:49:20,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2500 to 2464. [2022-07-12 14:49:20,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2464 states, 1760 states have (on average 1.2375) internal successors, (2178), 1773 states have internal predecessors, (2178), 557 states have call successors, (557), 146 states have call predecessors, (557), 146 states have return successors, (560), 549 states have call predecessors, (560), 557 states have call successors, (560) [2022-07-12 14:49:20,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2464 states and 3295 transitions. [2022-07-12 14:49:20,418 INFO L78 Accepts]: Start accepts. Automaton has 2464 states and 3295 transitions. Word has length 178 [2022-07-12 14:49:20,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:49:20,420 INFO L495 AbstractCegarLoop]: Abstraction has 2464 states and 3295 transitions. [2022-07-12 14:49:20,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 3 states have internal predecessors, (77), 4 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2022-07-12 14:49:20,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 3295 transitions. [2022-07-12 14:49:20,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2022-07-12 14:49:20,422 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:49:20,423 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 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] [2022-07-12 14:49:20,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 14:49:20,423 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:49:20,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:49:20,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1249953661, now seen corresponding path program 1 times [2022-07-12 14:49:20,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:49:20,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723707973] [2022-07-12 14:49:20,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:49:20,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:49:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:49:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:49:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:49:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:49:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:49:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:49:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:49:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:49:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:49:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:49:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 14:49:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-12 14:49:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 14:49:20,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:49:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 14:49:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 14:49:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-07-12 14:49:20,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:49:20,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723707973] [2022-07-12 14:49:20,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723707973] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:49:20,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:49:20,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:49:20,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659239100] [2022-07-12 14:49:20,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:49:20,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:49:20,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:49:20,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:49:20,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:49:20,836 INFO L87 Difference]: Start difference. First operand 2464 states and 3295 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 14:49:29,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:49:30,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:49:30,979 INFO L93 Difference]: Finished difference Result 7394 states and 9949 transitions. [2022-07-12 14:49:30,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:49:30,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 178 [2022-07-12 14:49:30,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:49:31,002 INFO L225 Difference]: With dead ends: 7394 [2022-07-12 14:49:31,003 INFO L226 Difference]: Without dead ends: 4951 [2022-07-12 14:49:31,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:49:31,015 INFO L413 NwaCegarLoop]: 2291 mSDtfsCounter, 1636 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 1916 mSolverCounterSat, 889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1836 SdHoareTripleChecker+Valid, 5067 SdHoareTripleChecker+Invalid, 2805 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 889 IncrementalHoareTripleChecker+Valid, 1916 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:49:31,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1836 Valid, 5067 Invalid, 2805 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [889 Valid, 1916 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-07-12 14:49:31,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4951 states. [2022-07-12 14:49:31,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4951 to 4873. [2022-07-12 14:49:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4873 states, 3482 states have (on average 1.2366456059735784) internal successors, (4306), 3508 states have internal predecessors, (4306), 1098 states have call successors, (1098), 292 states have call predecessors, (1098), 292 states have return successors, (1104), 1082 states have call predecessors, (1104), 1098 states have call successors, (1104) [2022-07-12 14:49:31,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4873 states to 4873 states and 6508 transitions. [2022-07-12 14:49:31,166 INFO L78 Accepts]: Start accepts. Automaton has 4873 states and 6508 transitions. Word has length 178 [2022-07-12 14:49:31,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:49:31,166 INFO L495 AbstractCegarLoop]: Abstraction has 4873 states and 6508 transitions. [2022-07-12 14:49:31,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 14:49:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 6508 transitions. [2022-07-12 14:49:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-12 14:49:31,170 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:49:31,171 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 8, 8, 8, 8, 8, 8, 5, 5, 5, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:49:31,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 14:49:31,171 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:49:31,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:49:31,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1819305695, now seen corresponding path program 1 times [2022-07-12 14:49:31,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:49:31,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610947639] [2022-07-12 14:49:31,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:49:31,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:49:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:49:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:31,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:49:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:49:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:49:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:49:31,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:49:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:49:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:49:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:49:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:49:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:49:31,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:49:31,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:49:31,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:49:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:49:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:49:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:49:31,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:49:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 14:49:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 14:49:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:49:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 14:49:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-12 14:49:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:31,624 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-07-12 14:49:31,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:49:31,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610947639] [2022-07-12 14:49:31,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610947639] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:49:31,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:49:31,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:49:31,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60164843] [2022-07-12 14:49:31,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:49:31,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:49:31,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:49:31,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:49:31,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:49:31,628 INFO L87 Difference]: Start difference. First operand 4873 states and 6508 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 14:49:33,965 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 [] [2022-07-12 14:49:38,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:49:40,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:49:40,968 INFO L93 Difference]: Finished difference Result 11629 states and 15512 transitions. [2022-07-12 14:49:40,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 14:49:40,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 243 [2022-07-12 14:49:40,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:49:41,000 INFO L225 Difference]: With dead ends: 11629 [2022-07-12 14:49:41,001 INFO L226 Difference]: Without dead ends: 6777 [2022-07-12 14:49:41,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:49:41,017 INFO L413 NwaCegarLoop]: 1841 mSDtfsCounter, 1446 mSDsluCounter, 2174 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 768 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1609 SdHoareTripleChecker+Valid, 4015 SdHoareTripleChecker+Invalid, 2250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 768 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:49:41,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1609 Valid, 4015 Invalid, 2250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [768 Valid, 1481 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-07-12 14:49:41,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6777 states. [2022-07-12 14:49:41,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6777 to 6691. [2022-07-12 14:49:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.236416424720033) internal successors, (5962), 4858 states have internal predecessors, (5962), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2022-07-12 14:49:41,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8816 transitions. [2022-07-12 14:49:41,255 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8816 transitions. Word has length 243 [2022-07-12 14:49:41,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:49:41,257 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 8816 transitions. [2022-07-12 14:49:41,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 14:49:41,258 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8816 transitions. [2022-07-12 14:49:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-12 14:49:41,263 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:49:41,263 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:49:41,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 14:49:41,264 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:49:41,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:49:41,264 INFO L85 PathProgramCache]: Analyzing trace with hash -844719428, now seen corresponding path program 1 times [2022-07-12 14:49:41,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:49:41,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377674399] [2022-07-12 14:49:41,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:49:41,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:49:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:49:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:49:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:49:41,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:49:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:49:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:49:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:49:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:49:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:49:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:49:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:49:41,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:49:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:49:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:49:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:49:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:49:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:49:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:49:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:49:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:41,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:49:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:49:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:49:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:49:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:49:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:49:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:49:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:41,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:49:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:49:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:49:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:49:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:49:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:49:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:49:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:49:41,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:49:41,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377674399] [2022-07-12 14:49:41,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377674399] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:49:41,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:49:41,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 14:49:41,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002548210] [2022-07-12 14:49:41,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:49:41,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 14:49:41,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:49:41,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 14:49:41,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 14:49:41,892 INFO L87 Difference]: Start difference. First operand 6691 states and 8816 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:49:44,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:49:44,062 INFO L93 Difference]: Finished difference Result 13393 states and 17891 transitions. [2022-07-12 14:49:44,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:49:44,062 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 363 [2022-07-12 14:49:44,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:49:44,086 INFO L225 Difference]: With dead ends: 13393 [2022-07-12 14:49:44,087 INFO L226 Difference]: Without dead ends: 6723 [2022-07-12 14:49:44,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:49:44,107 INFO L413 NwaCegarLoop]: 1356 mSDtfsCounter, 1285 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 366 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 2675 SdHoareTripleChecker+Invalid, 1395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 366 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:49:44,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 2675 Invalid, 1395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [366 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 14:49:44,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2022-07-12 14:49:44,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6691. [2022-07-12 14:49:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.2343425964330152) internal successors, (5952), 4858 states have internal predecessors, (5952), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2022-07-12 14:49:44,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8806 transitions. [2022-07-12 14:49:44,337 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8806 transitions. Word has length 363 [2022-07-12 14:49:44,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:49:44,338 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 8806 transitions. [2022-07-12 14:49:44,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:49:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8806 transitions. [2022-07-12 14:49:44,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-12 14:49:44,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:49:44,343 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:49:44,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 14:49:44,344 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:49:44,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:49:44,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1844694386, now seen corresponding path program 1 times [2022-07-12 14:49:44,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:49:44,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10052752] [2022-07-12 14:49:44,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:49:44,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:49:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:49:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:49:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:49:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:49:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:49:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:49:44,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:49:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:49:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:49:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:49:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:49:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:49:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:49:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:49:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:49:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:49:44,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:49:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:49:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:49:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:49:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:49:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:49:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:49:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:49:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:49:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:49:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:49:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:49:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:49:44,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:49:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:49:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:49:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:49:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:44,969 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:49:44,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:49:44,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10052752] [2022-07-12 14:49:44,970 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10052752] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:49:44,970 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:49:44,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:49:44,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252486463] [2022-07-12 14:49:44,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:49:44,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:49:44,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:49:44,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:49:44,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:49:44,972 INFO L87 Difference]: Start difference. First operand 6691 states and 8806 transitions. Second operand has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:49:48,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:49:48,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:49:48,957 INFO L93 Difference]: Finished difference Result 13393 states and 17871 transitions. [2022-07-12 14:49:48,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:49:48,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 364 [2022-07-12 14:49:48,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:49:48,982 INFO L225 Difference]: With dead ends: 13393 [2022-07-12 14:49:48,982 INFO L226 Difference]: Without dead ends: 6723 [2022-07-12 14:49:48,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:49:49,000 INFO L413 NwaCegarLoop]: 1354 mSDtfsCounter, 1914 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1914 SdHoareTripleChecker+Valid, 2673 SdHoareTripleChecker+Invalid, 2342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:49:49,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1914 Valid, 2673 Invalid, 2342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1029 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-12 14:49:49,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2022-07-12 14:49:49,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6691. [2022-07-12 14:49:49,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.2322687681459976) internal successors, (5942), 4858 states have internal predecessors, (5942), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2022-07-12 14:49:49,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8796 transitions. [2022-07-12 14:49:49,258 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8796 transitions. Word has length 364 [2022-07-12 14:49:49,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:49:49,259 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 8796 transitions. [2022-07-12 14:49:49,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.0) internal successors, (138), 5 states have internal predecessors, (138), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:49:49,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8796 transitions. [2022-07-12 14:49:49,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2022-07-12 14:49:49,264 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:49:49,265 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:49:49,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 14:49:49,265 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:49:49,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:49:49,265 INFO L85 PathProgramCache]: Analyzing trace with hash -568306696, now seen corresponding path program 1 times [2022-07-12 14:49:49,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:49:49,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671387939] [2022-07-12 14:49:49,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:49:49,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:49:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:49:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:49:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:49:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:49:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:49:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:49:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:49:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:49:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:49:49,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:49:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:49:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:49:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:49:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:49:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:49:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:49:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:49:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:49:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:49:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:49:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:49:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:49,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:49:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:49:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:49:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:49:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:49:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:49:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:49:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:49:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:49:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:49:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:49:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:49:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:49,867 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:49:49,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:49:49,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671387939] [2022-07-12 14:49:49,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671387939] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:49:49,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:49:49,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:49:49,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897370883] [2022-07-12 14:49:49,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:49:49,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:49:49,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:49:49,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:49:49,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:49:49,870 INFO L87 Difference]: Start difference. First operand 6691 states and 8796 transitions. Second operand has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:49:52,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:49:53,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:49:53,489 INFO L93 Difference]: Finished difference Result 13393 states and 17851 transitions. [2022-07-12 14:49:53,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:49:53,489 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 365 [2022-07-12 14:49:53,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:49:53,516 INFO L225 Difference]: With dead ends: 13393 [2022-07-12 14:49:53,516 INFO L226 Difference]: Without dead ends: 6723 [2022-07-12 14:49:53,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:49:53,582 INFO L413 NwaCegarLoop]: 1353 mSDtfsCounter, 1910 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1028 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1910 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1028 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:49:53,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1910 Valid, 2672 Invalid, 2341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1028 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-07-12 14:49:53,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6723 states. [2022-07-12 14:49:53,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6723 to 6691. [2022-07-12 14:49:53,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4822 states have (on average 1.2301949398589798) internal successors, (5932), 4858 states have internal predecessors, (5932), 1424 states have call successors, (1424), 444 states have call predecessors, (1424), 444 states have return successors, (1430), 1402 states have call predecessors, (1430), 1424 states have call successors, (1430) [2022-07-12 14:49:53,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 8786 transitions. [2022-07-12 14:49:53,893 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 8786 transitions. Word has length 365 [2022-07-12 14:49:53,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:49:53,894 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 8786 transitions. [2022-07-12 14:49:53,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.166666666666668) internal successors, (139), 5 states have internal predecessors, (139), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:49:53,894 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 8786 transitions. [2022-07-12 14:49:53,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2022-07-12 14:49:53,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:49:53,901 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:49:53,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 14:49:53,901 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:49:53,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:49:53,902 INFO L85 PathProgramCache]: Analyzing trace with hash 2052587694, now seen corresponding path program 1 times [2022-07-12 14:49:53,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:49:53,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807868946] [2022-07-12 14:49:53,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:49:53,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:49:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:49:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:49:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:49:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:49:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:49:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:49:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:49:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:49:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:49:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:49:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:49:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:49:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:49:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:49:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:49:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:49:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:49:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:49:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:49:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:49:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:49:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:49:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:49:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:49:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:49:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:49:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:49:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:49:54,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:49:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:49:54,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:49:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:49:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:49:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:49:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:49:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:49:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:49:54,453 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:49:54,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:49:54,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807868946] [2022-07-12 14:49:54,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807868946] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:49:54,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:49:54,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:49:54,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131932326] [2022-07-12 14:49:54,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:49:54,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:49:54,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:49:54,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:49:54,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:49:54,457 INFO L87 Difference]: Start difference. First operand 6691 states and 8786 transitions. Second operand has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:49:57,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:50:01,138 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 [] [2022-07-12 14:50:02,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:02,524 INFO L93 Difference]: Finished difference Result 25161 states and 33561 transitions. [2022-07-12 14:50:02,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 14:50:02,524 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 366 [2022-07-12 14:50:02,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:02,614 INFO L225 Difference]: With dead ends: 25161 [2022-07-12 14:50:02,614 INFO L226 Difference]: Without dead ends: 18491 [2022-07-12 14:50:02,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-12 14:50:02,680 INFO L413 NwaCegarLoop]: 2757 mSDtfsCounter, 4385 mSDsluCounter, 3085 mSDsCounter, 0 mSdLazyCounter, 3026 mSolverCounterSat, 2006 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4693 SdHoareTripleChecker+Valid, 5842 SdHoareTripleChecker+Invalid, 5033 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2006 IncrementalHoareTripleChecker+Valid, 3026 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:02,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4693 Valid, 5842 Invalid, 5033 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2006 Valid, 3026 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2022-07-12 14:50:02,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18491 states. [2022-07-12 14:50:03,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18491 to 18407. [2022-07-12 14:50:03,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2330082520630157) internal successors, (16436), 13462 states have internal predecessors, (16436), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-07-12 14:50:03,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24434 transitions. [2022-07-12 14:50:03,438 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24434 transitions. Word has length 366 [2022-07-12 14:50:03,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:03,439 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24434 transitions. [2022-07-12 14:50:03,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.333333333333332) internal successors, (140), 5 states have internal predecessors, (140), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:03,440 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24434 transitions. [2022-07-12 14:50:03,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-12 14:50:03,445 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:03,445 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:03,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 14:50:03,446 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:03,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:03,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1810451764, now seen corresponding path program 1 times [2022-07-12 14:50:03,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:03,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386816293] [2022-07-12 14:50:03,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:03,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:03,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:03,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:04,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:04,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:50:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:50:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:50:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:50:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:50:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:50:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:04,175 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:50:04,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:04,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386816293] [2022-07-12 14:50:04,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386816293] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:04,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:04,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:50:04,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197615169] [2022-07-12 14:50:04,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:04,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:50:04,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:04,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:50:04,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:50:04,179 INFO L87 Difference]: Start difference. First operand 18407 states and 24434 transitions. Second operand has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:07,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:07,288 INFO L93 Difference]: Finished difference Result 36857 states and 49679 transitions. [2022-07-12 14:50:07,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:50:07,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 367 [2022-07-12 14:50:07,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:07,358 INFO L225 Difference]: With dead ends: 36857 [2022-07-12 14:50:07,358 INFO L226 Difference]: Without dead ends: 18471 [2022-07-12 14:50:07,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:50:07,412 INFO L413 NwaCegarLoop]: 1352 mSDtfsCounter, 1905 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1027 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1905 SdHoareTripleChecker+Valid, 2671 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1027 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:07,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1905 Valid, 2671 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1027 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-12 14:50:07,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-07-12 14:50:08,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-07-12 14:50:08,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2310577644411103) internal successors, (16410), 13462 states have internal predecessors, (16410), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-07-12 14:50:08,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24408 transitions. [2022-07-12 14:50:08,238 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24408 transitions. Word has length 367 [2022-07-12 14:50:08,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:08,239 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24408 transitions. [2022-07-12 14:50:08,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 5 states have internal predecessors, (141), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24408 transitions. [2022-07-12 14:50:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2022-07-12 14:50:08,244 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:08,245 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:08,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 14:50:08,245 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:08,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:08,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1286278166, now seen corresponding path program 1 times [2022-07-12 14:50:08,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:08,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036571074] [2022-07-12 14:50:08,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:08,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:08,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:08,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:08,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:08,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:50:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:50:08,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:50:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:50:08,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:50:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:50:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:08,894 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:50:08,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:08,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036571074] [2022-07-12 14:50:08,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036571074] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:08,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:08,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:50:08,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998377054] [2022-07-12 14:50:08,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:08,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:50:08,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:08,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:50:08,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:50:08,897 INFO L87 Difference]: Start difference. First operand 18407 states and 24408 transitions. Second operand has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:12,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:12,386 INFO L93 Difference]: Finished difference Result 36857 states and 49627 transitions. [2022-07-12 14:50:12,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:50:12,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 368 [2022-07-12 14:50:12,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:12,463 INFO L225 Difference]: With dead ends: 36857 [2022-07-12 14:50:12,463 INFO L226 Difference]: Without dead ends: 18471 [2022-07-12 14:50:12,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:50:12,525 INFO L413 NwaCegarLoop]: 1351 mSDtfsCounter, 1901 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1901 SdHoareTripleChecker+Valid, 2670 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:12,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1901 Valid, 2670 Invalid, 2339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 14:50:12,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-07-12 14:50:13,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-07-12 14:50:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2291072768192048) internal successors, (16384), 13462 states have internal predecessors, (16384), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-07-12 14:50:13,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24382 transitions. [2022-07-12 14:50:13,419 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24382 transitions. Word has length 368 [2022-07-12 14:50:13,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:13,420 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24382 transitions. [2022-07-12 14:50:13,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.666666666666668) internal successors, (142), 5 states have internal predecessors, (142), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:13,420 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24382 transitions. [2022-07-12 14:50:13,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-07-12 14:50:13,424 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:13,424 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:13,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 14:50:13,424 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:13,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:13,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1613858416, now seen corresponding path program 1 times [2022-07-12 14:50:13,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:13,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321907030] [2022-07-12 14:50:13,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:13,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:13,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:13,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:50:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:50:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:50:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:50:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:50:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:50:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:14,026 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:50:14,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:14,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321907030] [2022-07-12 14:50:14,026 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321907030] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:14,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:14,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:50:14,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249744319] [2022-07-12 14:50:14,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:14,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:50:14,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:14,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:50:14,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:50:14,029 INFO L87 Difference]: Start difference. First operand 18407 states and 24382 transitions. Second operand has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:16,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:16,727 INFO L93 Difference]: Finished difference Result 36857 states and 49575 transitions. [2022-07-12 14:50:16,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:50:16,728 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 369 [2022-07-12 14:50:16,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:16,796 INFO L225 Difference]: With dead ends: 36857 [2022-07-12 14:50:16,797 INFO L226 Difference]: Without dead ends: 18471 [2022-07-12 14:50:16,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:50:16,852 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 1897 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1025 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 2669 SdHoareTripleChecker+Invalid, 2338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:16,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 2669 Invalid, 2338 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1025 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 14:50:16,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-07-12 14:50:17,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-07-12 14:50:17,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2271567891972994) internal successors, (16358), 13462 states have internal predecessors, (16358), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-07-12 14:50:17,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24356 transitions. [2022-07-12 14:50:17,742 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24356 transitions. Word has length 369 [2022-07-12 14:50:17,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:17,742 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24356 transitions. [2022-07-12 14:50:17,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.833333333333332) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:17,743 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24356 transitions. [2022-07-12 14:50:17,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-07-12 14:50:17,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:17,747 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:17,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 14:50:17,748 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:17,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1438295846, now seen corresponding path program 1 times [2022-07-12 14:50:17,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:17,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137709957] [2022-07-12 14:50:17,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:17,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:17,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:18,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:18,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:18,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:50:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:50:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:50:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:50:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:50:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:50:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:18,320 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:50:18,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:18,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137709957] [2022-07-12 14:50:18,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137709957] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:18,320 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:18,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:50:18,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365494700] [2022-07-12 14:50:18,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:18,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:50:18,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:18,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:50:18,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:50:18,322 INFO L87 Difference]: Start difference. First operand 18407 states and 24356 transitions. Second operand has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:21,490 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 [] [2022-07-12 14:50:22,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:22,525 INFO L93 Difference]: Finished difference Result 36857 states and 49523 transitions. [2022-07-12 14:50:22,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:50:22,526 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 370 [2022-07-12 14:50:22,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:22,604 INFO L225 Difference]: With dead ends: 36857 [2022-07-12 14:50:22,605 INFO L226 Difference]: Without dead ends: 18471 [2022-07-12 14:50:22,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:50:22,668 INFO L413 NwaCegarLoop]: 1349 mSDtfsCounter, 1893 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1893 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 2337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:22,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1893 Valid, 2668 Invalid, 2337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1023 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-07-12 14:50:22,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-07-12 14:50:23,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-07-12 14:50:23,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2252063015753938) internal successors, (16332), 13462 states have internal predecessors, (16332), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-07-12 14:50:23,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24330 transitions. [2022-07-12 14:50:23,396 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24330 transitions. Word has length 370 [2022-07-12 14:50:23,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:23,396 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24330 transitions. [2022-07-12 14:50:23,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24330 transitions. [2022-07-12 14:50:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 372 [2022-07-12 14:50:23,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:23,400 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:23,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 14:50:23,401 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:23,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:23,401 INFO L85 PathProgramCache]: Analyzing trace with hash 405340076, now seen corresponding path program 1 times [2022-07-12 14:50:23,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:23,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168656656] [2022-07-12 14:50:23,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:23,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:23,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:23,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:23,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:23,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:23,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:23,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:50:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:50:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:50:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:50:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:50:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:50:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:23,983 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:50:23,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:23,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168656656] [2022-07-12 14:50:23,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168656656] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:23,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:23,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:50:23,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342436330] [2022-07-12 14:50:23,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:23,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:50:23,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:23,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:50:23,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:50:23,985 INFO L87 Difference]: Start difference. First operand 18407 states and 24330 transitions. Second operand has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:27,249 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 [] [2022-07-12 14:50:28,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:28,607 INFO L93 Difference]: Finished difference Result 36857 states and 49471 transitions. [2022-07-12 14:50:28,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:50:28,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 371 [2022-07-12 14:50:28,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:28,705 INFO L225 Difference]: With dead ends: 36857 [2022-07-12 14:50:28,706 INFO L226 Difference]: Without dead ends: 18471 [2022-07-12 14:50:28,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:50:28,779 INFO L413 NwaCegarLoop]: 1348 mSDtfsCounter, 1889 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1889 SdHoareTripleChecker+Valid, 2667 SdHoareTripleChecker+Invalid, 2336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:28,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1889 Valid, 2667 Invalid, 2336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1022 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-07-12 14:50:28,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-07-12 14:50:29,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-07-12 14:50:29,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2232558139534884) internal successors, (16306), 13462 states have internal predecessors, (16306), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-07-12 14:50:29,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24304 transitions. [2022-07-12 14:50:29,741 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24304 transitions. Word has length 371 [2022-07-12 14:50:29,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:29,742 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24304 transitions. [2022-07-12 14:50:29,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:29,742 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24304 transitions. [2022-07-12 14:50:29,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-07-12 14:50:29,747 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:29,747 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:29,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 14:50:29,747 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:29,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:29,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1437001118, now seen corresponding path program 1 times [2022-07-12 14:50:29,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:29,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118789954] [2022-07-12 14:50:29,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:29,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:30,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:30,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:30,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:30,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:30,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:30,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:30,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:30,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:50:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:50:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:50:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:50:30,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:50:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:50:30,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:30,391 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:50:30,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:30,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118789954] [2022-07-12 14:50:30,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118789954] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:30,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:30,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:50:30,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665156828] [2022-07-12 14:50:30,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:30,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:50:30,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:30,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:50:30,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:50:30,395 INFO L87 Difference]: Start difference. First operand 18407 states and 24304 transitions. Second operand has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:32,865 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:50:34,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:34,287 INFO L93 Difference]: Finished difference Result 36857 states and 49419 transitions. [2022-07-12 14:50:34,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:50:34,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 372 [2022-07-12 14:50:34,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:34,372 INFO L225 Difference]: With dead ends: 36857 [2022-07-12 14:50:34,372 INFO L226 Difference]: Without dead ends: 18471 [2022-07-12 14:50:34,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:50:34,439 INFO L413 NwaCegarLoop]: 1347 mSDtfsCounter, 1885 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1885 SdHoareTripleChecker+Valid, 2666 SdHoareTripleChecker+Invalid, 2335 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:34,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1885 Valid, 2666 Invalid, 2335 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-12 14:50:34,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-07-12 14:50:35,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-07-12 14:50:35,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.221305326331583) internal successors, (16280), 13462 states have internal predecessors, (16280), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-07-12 14:50:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24278 transitions. [2022-07-12 14:50:35,387 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24278 transitions. Word has length 372 [2022-07-12 14:50:35,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:35,388 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24278 transitions. [2022-07-12 14:50:35,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24278 transitions. [2022-07-12 14:50:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2022-07-12 14:50:35,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:35,393 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:35,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 14:50:35,393 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:35,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:35,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1694480616, now seen corresponding path program 1 times [2022-07-12 14:50:35,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:35,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225536006] [2022-07-12 14:50:35,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:35,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:35,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:35,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:50:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:50:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:50:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:50:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:50:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:50:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:50:35,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:35,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225536006] [2022-07-12 14:50:35,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225536006] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:35,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:35,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:50:35,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290316047] [2022-07-12 14:50:35,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:35,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:50:35,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:35,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:50:35,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:50:35,859 INFO L87 Difference]: Start difference. First operand 18407 states and 24278 transitions. Second operand has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:39,088 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 [] [2022-07-12 14:50:40,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:40,458 INFO L93 Difference]: Finished difference Result 36857 states and 49367 transitions. [2022-07-12 14:50:40,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:50:40,459 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 373 [2022-07-12 14:50:40,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:40,545 INFO L225 Difference]: With dead ends: 36857 [2022-07-12 14:50:40,545 INFO L226 Difference]: Without dead ends: 18471 [2022-07-12 14:50:40,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:50:40,618 INFO L413 NwaCegarLoop]: 1346 mSDtfsCounter, 1881 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 1313 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 2665 SdHoareTripleChecker+Invalid, 2334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:40,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 2665 Invalid, 2334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1020 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 14:50:40,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-07-12 14:50:41,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-07-12 14:50:41,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.2193548387096773) internal successors, (16254), 13462 states have internal predecessors, (16254), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-07-12 14:50:41,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24252 transitions. [2022-07-12 14:50:41,605 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24252 transitions. Word has length 373 [2022-07-12 14:50:41,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:41,606 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24252 transitions. [2022-07-12 14:50:41,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 5 states have internal predecessors, (147), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24252 transitions. [2022-07-12 14:50:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-12 14:50:41,611 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:41,611 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:41,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 14:50:41,611 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:41,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:41,612 INFO L85 PathProgramCache]: Analyzing trace with hash 100683166, now seen corresponding path program 1 times [2022-07-12 14:50:41,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:41,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864239475] [2022-07-12 14:50:41,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:41,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:41,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:41,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:41,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:41,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:42,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:42,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:42,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:50:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:50:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:50:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:50:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:50:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:50:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:42,122 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:50:42,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:42,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864239475] [2022-07-12 14:50:42,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864239475] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:42,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:42,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:50:42,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142058570] [2022-07-12 14:50:42,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:42,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:50:42,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:42,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:50:42,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:50:42,124 INFO L87 Difference]: Start difference. First operand 18407 states and 24252 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:44,906 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:50:45,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:45,980 INFO L93 Difference]: Finished difference Result 36857 states and 49315 transitions. [2022-07-12 14:50:45,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 14:50:45,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) Word has length 374 [2022-07-12 14:50:45,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:46,034 INFO L225 Difference]: With dead ends: 36857 [2022-07-12 14:50:46,035 INFO L226 Difference]: Without dead ends: 18471 [2022-07-12 14:50:46,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:50:46,087 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 1877 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 1313 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 2664 SdHoareTripleChecker+Invalid, 2333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1313 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:46,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 2664 Invalid, 2333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1313 Valid, 1020 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 14:50:46,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18471 states. [2022-07-12 14:50:46,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18471 to 18407. [2022-07-12 14:50:46,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18407 states, 13330 states have (on average 1.217404351087772) internal successors, (16228), 13462 states have internal predecessors, (16228), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1200 states have return successors, (4122), 3762 states have call predecessors, (4122), 3876 states have call successors, (4122) [2022-07-12 14:50:46,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18407 states to 18407 states and 24226 transitions. [2022-07-12 14:50:46,824 INFO L78 Accepts]: Start accepts. Automaton has 18407 states and 24226 transitions. Word has length 374 [2022-07-12 14:50:46,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:46,824 INFO L495 AbstractCegarLoop]: Abstraction has 18407 states and 24226 transitions. [2022-07-12 14:50:46,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 5 states have internal predecessors, (148), 2 states have call successors, (37), 3 states have call predecessors, (37), 2 states have return successors, (36), 3 states have call predecessors, (36), 2 states have call successors, (36) [2022-07-12 14:50:46,825 INFO L276 IsEmpty]: Start isEmpty. Operand 18407 states and 24226 transitions. [2022-07-12 14:50:46,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-12 14:50:46,828 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:46,829 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 12, 12, 12, 9, 9, 9, 9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:46,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 14:50:46,829 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:46,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:46,829 INFO L85 PathProgramCache]: Analyzing trace with hash 129312317, now seen corresponding path program 1 times [2022-07-12 14:50:46,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:46,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753370148] [2022-07-12 14:50:46,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:46,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 14:50:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-12 14:50:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-12 14:50:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-12 14:50:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-12 14:50:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 14:50:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 886 trivial. 0 not checked. [2022-07-12 14:50:47,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:47,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753370148] [2022-07-12 14:50:47,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753370148] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:47,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:47,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 14:50:47,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726256574] [2022-07-12 14:50:47,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:47,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 14:50:47,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:47,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 14:50:47,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 14:50:47,253 INFO L87 Difference]: Start difference. First operand 18407 states and 24226 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) [2022-07-12 14:50:49,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:50:49,816 INFO L93 Difference]: Finished difference Result 18565 states and 24713 transitions. [2022-07-12 14:50:49,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 14:50:49,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) Word has length 374 [2022-07-12 14:50:49,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:50:49,877 INFO L225 Difference]: With dead ends: 18565 [2022-07-12 14:50:49,877 INFO L226 Difference]: Without dead ends: 18563 [2022-07-12 14:50:49,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-12 14:50:49,889 INFO L413 NwaCegarLoop]: 1363 mSDtfsCounter, 232 mSDsluCounter, 3504 mSDsCounter, 0 mSdLazyCounter, 1683 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 4867 SdHoareTripleChecker+Invalid, 1926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 14:50:49,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 4867 Invalid, 1926 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1683 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 14:50:49,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18563 states. [2022-07-12 14:50:50,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18563 to 18463. [2022-07-12 14:50:50,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18463 states, 13368 states have (on average 1.2155894673847996) internal successors, (16250), 13508 states have internal predecessors, (16250), 3876 states have call successors, (3876), 1212 states have call predecessors, (3876), 1218 states have return successors, (4208), 3772 states have call predecessors, (4208), 3876 states have call successors, (4208) [2022-07-12 14:50:50,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18463 states to 18463 states and 24334 transitions. [2022-07-12 14:50:50,705 INFO L78 Accepts]: Start accepts. Automaton has 18463 states and 24334 transitions. Word has length 374 [2022-07-12 14:50:50,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:50:50,705 INFO L495 AbstractCegarLoop]: Abstraction has 18463 states and 24334 transitions. [2022-07-12 14:50:50,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 4 states have internal predecessors, (148), 1 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (36), 2 states have call predecessors, (36), 1 states have call successors, (36) [2022-07-12 14:50:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 18463 states and 24334 transitions. [2022-07-12 14:50:50,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-07-12 14:50:50,713 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:50:50,713 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:50:50,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-12 14:50:50,713 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:50:50,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:50:50,714 INFO L85 PathProgramCache]: Analyzing trace with hash 870005820, now seen corresponding path program 1 times [2022-07-12 14:50:50,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:50:50,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208524469] [2022-07-12 14:50:50,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:50:50,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:50:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:50:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:50:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:50:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:50:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:50:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:50:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:50:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:50:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:50:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:50:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:50:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:50:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:50:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:50:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:50:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:50:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:50:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:50:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:50:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:50:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:50:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:50:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:50:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:50:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:50:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:50:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:50:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:50:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:50:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:50:51,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 14:50:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:50:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 14:50:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:50:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:50:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-12 14:50:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:50:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:50:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-12 14:50:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 14:50:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:50:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:50:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:50:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-12 14:50:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 14:50:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 14:50:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:50:51,215 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2022-07-12 14:50:51,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:50:51,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208524469] [2022-07-12 14:50:51,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208524469] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:50:51,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:50:51,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:50:51,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157568055] [2022-07-12 14:50:51,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:50:51,217 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:50:51,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:50:51,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:50:51,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:50:51,217 INFO L87 Difference]: Start difference. First operand 18463 states and 24334 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-12 14:50:58,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:00,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:01,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:04,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:04,787 INFO L93 Difference]: Finished difference Result 39665 states and 52386 transitions. [2022-07-12 14:51:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 14:51:04,787 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 447 [2022-07-12 14:51:04,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:04,860 INFO L225 Difference]: With dead ends: 39665 [2022-07-12 14:51:04,860 INFO L226 Difference]: Without dead ends: 21223 [2022-07-12 14:51:04,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-07-12 14:51:04,911 INFO L413 NwaCegarLoop]: 1593 mSDtfsCounter, 1426 mSDsluCounter, 2816 mSDsCounter, 0 mSdLazyCounter, 2944 mSolverCounterSat, 1210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1518 SdHoareTripleChecker+Valid, 4409 SdHoareTripleChecker+Invalid, 4154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1210 IncrementalHoareTripleChecker+Valid, 2944 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:04,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1518 Valid, 4409 Invalid, 4154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1210 Valid, 2944 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2022-07-12 14:51:04,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21223 states. [2022-07-12 14:51:05,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21223 to 20989. [2022-07-12 14:51:05,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20989 states, 15326 states have (on average 1.2179303144982383) internal successors, (18666), 15504 states have internal predecessors, (18666), 4282 states have call successors, (4282), 1368 states have call predecessors, (4282), 1380 states have return successors, (4648), 4154 states have call predecessors, (4648), 4282 states have call successors, (4648) [2022-07-12 14:51:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20989 states to 20989 states and 27596 transitions. [2022-07-12 14:51:05,990 INFO L78 Accepts]: Start accepts. Automaton has 20989 states and 27596 transitions. Word has length 447 [2022-07-12 14:51:05,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:05,991 INFO L495 AbstractCegarLoop]: Abstraction has 20989 states and 27596 transitions. [2022-07-12 14:51:05,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (51), 6 states have call predecessors, (51), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-12 14:51:05,991 INFO L276 IsEmpty]: Start isEmpty. Operand 20989 states and 27596 transitions. [2022-07-12 14:51:05,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-12 14:51:05,998 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:05,998 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:51:05,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 14:51:05,999 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:05,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:05,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1672675131, now seen corresponding path program 1 times [2022-07-12 14:51:05,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:06,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205706995] [2022-07-12 14:51:06,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:06,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:06,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:06,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:51:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:51:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:51:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:51:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:51:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:51:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:51:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:51:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:51:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:51:06,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:51:06,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:06,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:06,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:51:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:51:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:51:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:51:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:51:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:51:06,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:51:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:51:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 14:51:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 14:51:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 14:51:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-12 14:51:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:51:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:51:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:51:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 14:51:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-12 14:51:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:51:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:51:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-12 14:51:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 14:51:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 14:51:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:06,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1139 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 1116 trivial. 0 not checked. [2022-07-12 14:51:06,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:06,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205706995] [2022-07-12 14:51:06,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205706995] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:06,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:06,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:51:06,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131877946] [2022-07-12 14:51:06,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:06,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:51:06,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:06,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:51:06,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:51:06,397 INFO L87 Difference]: Start difference. First operand 20989 states and 27596 transitions. Second operand has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 3 states have internal predecessors, (174), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-12 14:51:09,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:14,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:14,774 INFO L93 Difference]: Finished difference Result 44761 states and 59042 transitions. [2022-07-12 14:51:14,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 14:51:14,774 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 3 states have internal predecessors, (174), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) Word has length 440 [2022-07-12 14:51:14,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:14,843 INFO L225 Difference]: With dead ends: 44761 [2022-07-12 14:51:14,844 INFO L226 Difference]: Without dead ends: 23793 [2022-07-12 14:51:14,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-07-12 14:51:14,895 INFO L413 NwaCegarLoop]: 1768 mSDtfsCounter, 1506 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 2459 mSolverCounterSat, 1423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1597 SdHoareTripleChecker+Valid, 4247 SdHoareTripleChecker+Invalid, 3882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1423 IncrementalHoareTripleChecker+Valid, 2459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:14,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1597 Valid, 4247 Invalid, 3882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1423 Valid, 2459 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2022-07-12 14:51:14,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23793 states. [2022-07-12 14:51:15,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23793 to 23555. [2022-07-12 14:51:15,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23555 states, 17344 states have (on average 1.218980627306273) internal successors, (21142), 17552 states have internal predecessors, (21142), 4688 states have call successors, (4688), 1512 states have call predecessors, (4688), 1522 states have return successors, (5056), 4536 states have call predecessors, (5056), 4688 states have call successors, (5056) [2022-07-12 14:51:15,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23555 states to 23555 states and 30886 transitions. [2022-07-12 14:51:15,892 INFO L78 Accepts]: Start accepts. Automaton has 23555 states and 30886 transitions. Word has length 440 [2022-07-12 14:51:15,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:15,893 INFO L495 AbstractCegarLoop]: Abstraction has 23555 states and 30886 transitions. [2022-07-12 14:51:15,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 24.857142857142858) internal successors, (174), 3 states have internal predecessors, (174), 4 states have call successors, (50), 6 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 4 states have call successors, (47) [2022-07-12 14:51:15,893 INFO L276 IsEmpty]: Start isEmpty. Operand 23555 states and 30886 transitions. [2022-07-12 14:51:15,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-12 14:51:15,902 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:15,902 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:51:15,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 14:51:15,902 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:15,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:15,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1816733086, now seen corresponding path program 1 times [2022-07-12 14:51:15,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:15,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294870428] [2022-07-12 14:51:15,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:15,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:51:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:51:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:51:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:51:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:51:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:51:16,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:51:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:51:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:51:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:51:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:51:16,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:51:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:51:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:51:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:51:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:51:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:51:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:51:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:51:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 14:51:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 14:51:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 14:51:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:51:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-12 14:51:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 14:51:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 14:51:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-12 14:51:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:51:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:51:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 14:51:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-12 14:51:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:51:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:51:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-12 14:51:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-12 14:51:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 14:51:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:16,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2022-07-12 14:51:16,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:16,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294870428] [2022-07-12 14:51:16,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294870428] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:16,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:16,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:51:16,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022772463] [2022-07-12 14:51:16,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:16,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:51:16,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:16,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:51:16,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:51:16,389 INFO L87 Difference]: Start difference. First operand 23555 states and 30886 transitions. Second operand has 8 states, 8 states have (on average 23.375) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 14:51:20,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:23,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:25,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:28,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:31,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:31,209 INFO L93 Difference]: Finished difference Result 61322 states and 81948 transitions. [2022-07-12 14:51:31,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 14:51:31,210 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 482 [2022-07-12 14:51:31,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:31,318 INFO L225 Difference]: With dead ends: 61322 [2022-07-12 14:51:31,318 INFO L226 Difference]: Without dead ends: 37788 [2022-07-12 14:51:31,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-12 14:51:31,374 INFO L413 NwaCegarLoop]: 2219 mSDtfsCounter, 2490 mSDsluCounter, 4666 mSDsCounter, 0 mSdLazyCounter, 4228 mSolverCounterSat, 1857 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 6885 SdHoareTripleChecker+Invalid, 6086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1857 IncrementalHoareTripleChecker+Valid, 4228 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.1s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:31,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2723 Valid, 6885 Invalid, 6086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1857 Valid, 4228 Invalid, 1 Unknown, 0 Unchecked, 13.1s Time] [2022-07-12 14:51:31,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37788 states. [2022-07-12 14:51:32,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37788 to 26828. [2022-07-12 14:51:32,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26828 states, 19836 states have (on average 1.2182395644283122) internal successors, (24165), 20074 states have internal predecessors, (24165), 5224 states have call successors, (5224), 1759 states have call predecessors, (5224), 1767 states have return successors, (5594), 5048 states have call predecessors, (5594), 5224 states have call successors, (5594) [2022-07-12 14:51:32,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26828 states to 26828 states and 34983 transitions. [2022-07-12 14:51:32,822 INFO L78 Accepts]: Start accepts. Automaton has 26828 states and 34983 transitions. Word has length 482 [2022-07-12 14:51:32,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:32,822 INFO L495 AbstractCegarLoop]: Abstraction has 26828 states and 34983 transitions. [2022-07-12 14:51:32,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.375) internal successors, (187), 4 states have internal predecessors, (187), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 14:51:32,823 INFO L276 IsEmpty]: Start isEmpty. Operand 26828 states and 34983 transitions. [2022-07-12 14:51:32,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-12 14:51:32,830 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:32,831 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:51:32,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 14:51:32,831 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:32,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:32,831 INFO L85 PathProgramCache]: Analyzing trace with hash 982218135, now seen corresponding path program 1 times [2022-07-12 14:51:32,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:32,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319598600] [2022-07-12 14:51:32,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:32,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:32,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:33,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:51:33,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:51:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:51:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:51:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:51:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:51:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:51:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:51:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:51:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:51:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:51:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:51:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:51:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:51:33,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:51:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:51:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:51:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:51:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:51:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 14:51:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 14:51:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 14:51:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:51:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-12 14:51:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-12 14:51:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 14:51:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 14:51:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:51:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:51:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-12 14:51:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-12 14:51:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:51:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:51:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-12 14:51:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-12 14:51:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-12 14:51:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1345 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2022-07-12 14:51:33,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:33,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319598600] [2022-07-12 14:51:33,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319598600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:33,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:33,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:51:33,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113027862] [2022-07-12 14:51:33,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:33,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:51:33,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:33,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:51:33,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:51:33,223 INFO L87 Difference]: Start difference. First operand 26828 states and 34983 transitions. Second operand has 8 states, 8 states have (on average 22.75) internal successors, (182), 4 states have internal predecessors, (182), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 14:51:38,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:45,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:49,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:51:49,098 INFO L93 Difference]: Finished difference Result 67106 states and 89108 transitions. [2022-07-12 14:51:49,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 14:51:49,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 4 states have internal predecessors, (182), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 476 [2022-07-12 14:51:49,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:51:49,245 INFO L225 Difference]: With dead ends: 67106 [2022-07-12 14:51:49,246 INFO L226 Difference]: Without dead ends: 40310 [2022-07-12 14:51:49,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-12 14:51:49,318 INFO L413 NwaCegarLoop]: 2158 mSDtfsCounter, 1821 mSDsluCounter, 5206 mSDsCounter, 0 mSdLazyCounter, 4857 mSolverCounterSat, 1236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 7364 SdHoareTripleChecker+Invalid, 6093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 4857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-07-12 14:51:49,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 7364 Invalid, 6093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1236 Valid, 4857 Invalid, 0 Unknown, 0 Unchecked, 13.6s Time] [2022-07-12 14:51:49,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40310 states. [2022-07-12 14:51:50,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40310 to 29346. [2022-07-12 14:51:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29346 states, 21806 states have (on average 1.2195267357607997) internal successors, (26593), 22074 states have internal predecessors, (26593), 5630 states have call successors, (5630), 1903 states have call predecessors, (5630), 1909 states have return successors, (6002), 5430 states have call predecessors, (6002), 5630 states have call successors, (6002) [2022-07-12 14:51:50,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29346 states to 29346 states and 38225 transitions. [2022-07-12 14:51:50,980 INFO L78 Accepts]: Start accepts. Automaton has 29346 states and 38225 transitions. Word has length 476 [2022-07-12 14:51:50,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:51:50,980 INFO L495 AbstractCegarLoop]: Abstraction has 29346 states and 38225 transitions. [2022-07-12 14:51:50,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.75) internal successors, (182), 4 states have internal predecessors, (182), 4 states have call successors, (52), 6 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 14:51:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 29346 states and 38225 transitions. [2022-07-12 14:51:50,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-12 14:51:50,989 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:51:50,989 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:51:50,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 14:51:50,990 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:51:50,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:51:50,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1201988639, now seen corresponding path program 1 times [2022-07-12 14:51:50,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:51:50,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124324469] [2022-07-12 14:51:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:51:50,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:51:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:51:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:51:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:51:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:51:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:51:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:51:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:51:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:51:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:51:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:51:51,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:51:51,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:51:51,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:51:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:51:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:51:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:51:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:51:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:51:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:51:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:51:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:51:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:51:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:51:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:51:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:51:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:51:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:51:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:51:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:51:51,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:51:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 14:51:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:51:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 14:51:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 14:51:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:51:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 14:51:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-12 14:51:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 14:51:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 14:51:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:51:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:51:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-12 14:51:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 14:51:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:51:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:51:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:51:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-12 14:51:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-12 14:51:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 14:51:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:51:51,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2022-07-12 14:51:51,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:51:51,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124324469] [2022-07-12 14:51:51,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124324469] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:51:51,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:51:51,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:51:51,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744952719] [2022-07-12 14:51:51,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:51:51,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:51:51,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:51:51,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:51:51,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:51:51,360 INFO L87 Difference]: Start difference. First operand 29346 states and 38225 transitions. Second operand has 8 states, 8 states have (on average 23.625) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 14:51:53,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:56,106 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:51:58,126 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:04,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:07,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:09,556 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:13,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:52:13,398 INFO L93 Difference]: Finished difference Result 71978 states and 95436 transitions. [2022-07-12 14:52:13,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 14:52:13,399 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.625) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 484 [2022-07-12 14:52:13,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:52:13,523 INFO L225 Difference]: With dead ends: 71978 [2022-07-12 14:52:13,523 INFO L226 Difference]: Without dead ends: 42664 [2022-07-12 14:52:13,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-12 14:52:13,587 INFO L413 NwaCegarLoop]: 2171 mSDtfsCounter, 2029 mSDsluCounter, 5328 mSDsCounter, 0 mSdLazyCounter, 5031 mSolverCounterSat, 1240 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 7499 SdHoareTripleChecker+Invalid, 6273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1240 IncrementalHoareTripleChecker+Valid, 5031 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-07-12 14:52:13,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 7499 Invalid, 6273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1240 Valid, 5031 Invalid, 2 Unknown, 0 Unchecked, 19.5s Time] [2022-07-12 14:52:13,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42664 states. [2022-07-12 14:52:15,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42664 to 31912. [2022-07-12 14:52:15,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31912 states, 23824 states have (on average 1.2201561450638012) internal successors, (29069), 24122 states have internal predecessors, (29069), 6036 states have call successors, (6036), 2047 states have call predecessors, (6036), 2051 states have return successors, (6410), 5812 states have call predecessors, (6410), 6036 states have call successors, (6410) [2022-07-12 14:52:15,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31912 states to 31912 states and 41515 transitions. [2022-07-12 14:52:15,581 INFO L78 Accepts]: Start accepts. Automaton has 31912 states and 41515 transitions. Word has length 484 [2022-07-12 14:52:15,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:52:15,582 INFO L495 AbstractCegarLoop]: Abstraction has 31912 states and 41515 transitions. [2022-07-12 14:52:15,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.625) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 14:52:15,582 INFO L276 IsEmpty]: Start isEmpty. Operand 31912 states and 41515 transitions. [2022-07-12 14:52:15,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-12 14:52:15,591 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:52:15,591 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 16, 16, 16, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:52:15,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-07-12 14:52:15,592 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:52:15,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:52:15,592 INFO L85 PathProgramCache]: Analyzing trace with hash -953370365, now seen corresponding path program 1 times [2022-07-12 14:52:15,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:52:15,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769388241] [2022-07-12 14:52:15,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:52:15,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:52:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:52:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:52:15,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:52:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:52:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:52:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:52:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:52:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:52:15,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:52:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:52:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:52:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:52:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:52:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:52:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:52:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:52:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:52:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:52:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:52:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:15,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:52:15,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:52:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:52:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:52:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:52:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:52:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:52:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:52:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:52:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 14:52:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:52:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 14:52:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 14:52:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:52:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 14:52:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-12 14:52:15,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-12 14:52:15,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 14:52:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:52:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:52:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-12 14:52:15,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-12 14:52:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:52:15,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:52:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 14:52:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 14:52:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-12 14:52:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:15,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2022-07-12 14:52:15,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:52:15,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769388241] [2022-07-12 14:52:15,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769388241] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:52:15,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:52:15,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 14:52:15,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143700862] [2022-07-12 14:52:15,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:52:15,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 14:52:15,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:52:15,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 14:52:15,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-12 14:52:15,987 INFO L87 Difference]: Start difference. First operand 31912 states and 41515 transitions. Second operand has 8 states, 8 states have (on average 23.75) internal successors, (190), 4 states have internal predecessors, (190), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 14:52:18,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:20,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:22,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:25,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:27,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:32,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:33,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:39,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:52:39,093 INFO L93 Difference]: Finished difference Result 76240 states and 100850 transitions. [2022-07-12 14:52:39,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 14:52:39,094 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 23.75) internal successors, (190), 4 states have internal predecessors, (190), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 485 [2022-07-12 14:52:39,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:52:39,266 INFO L225 Difference]: With dead ends: 76240 [2022-07-12 14:52:39,266 INFO L226 Difference]: Without dead ends: 44360 [2022-07-12 14:52:39,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2022-07-12 14:52:39,339 INFO L413 NwaCegarLoop]: 2149 mSDtfsCounter, 1965 mSDsluCounter, 5143 mSDsCounter, 0 mSdLazyCounter, 4934 mSolverCounterSat, 1334 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2161 SdHoareTripleChecker+Valid, 7292 SdHoareTripleChecker+Invalid, 6269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1334 IncrementalHoareTripleChecker+Valid, 4934 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-07-12 14:52:39,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2161 Valid, 7292 Invalid, 6269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1334 Valid, 4934 Invalid, 1 Unknown, 0 Unchecked, 20.0s Time] [2022-07-12 14:52:39,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44360 states. [2022-07-12 14:52:41,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44360 to 32914. [2022-07-12 14:52:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32914 states, 24674 states have (on average 1.2185701548188377) internal successors, (30067), 24980 states have internal predecessors, (30067), 6136 states have call successors, (6136), 2101 states have call predecessors, (6136), 2103 states have return successors, (6472), 5908 states have call predecessors, (6472), 6136 states have call successors, (6472) [2022-07-12 14:52:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32914 states to 32914 states and 42675 transitions. [2022-07-12 14:52:41,811 INFO L78 Accepts]: Start accepts. Automaton has 32914 states and 42675 transitions. Word has length 485 [2022-07-12 14:52:41,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:52:41,811 INFO L495 AbstractCegarLoop]: Abstraction has 32914 states and 42675 transitions. [2022-07-12 14:52:41,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 23.75) internal successors, (190), 4 states have internal predecessors, (190), 4 states have call successors, (53), 6 states have call predecessors, (53), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2022-07-12 14:52:41,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32914 states and 42675 transitions. [2022-07-12 14:52:41,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-07-12 14:52:41,828 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:52:41,828 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 18, 18, 18, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:52:41,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-12 14:52:41,829 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:52:41,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:52:41,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1517569294, now seen corresponding path program 1 times [2022-07-12 14:52:41,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:52:41,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835124381] [2022-07-12 14:52:41,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:52:41,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:52:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:52:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:52:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:52:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:52:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:52:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:52:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:52:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:52:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:52:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:52:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:52:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:52:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:52:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:52:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:52:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:52:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:52:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:52:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:52:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:52:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:52:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:52:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:52:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:52:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:52:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:52:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:52:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:52:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 14:52:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:52:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 14:52:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 14:52:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:52:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 14:52:42,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 14:52:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 14:52:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:52:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-12 14:52:42,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:52:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:52:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 14:52:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 14:52:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:52:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:52:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-12 14:52:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 14:52:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:52:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-12 14:52:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-12 14:52:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-12 14:52:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-12 14:52:42,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-12 14:52:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-12 14:52:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-07-12 14:52:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 1675 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1621 trivial. 0 not checked. [2022-07-12 14:52:42,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:52:42,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835124381] [2022-07-12 14:52:42,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835124381] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:52:42,583 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:52:42,583 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 14:52:42,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631415041] [2022-07-12 14:52:42,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:52:42,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 14:52:42,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:52:42,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 14:52:42,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-07-12 14:52:42,585 INFO L87 Difference]: Start difference. First operand 32914 states and 42675 transitions. Second operand has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 3 states have internal predecessors, (214), 4 states have call successors, (63), 6 states have call predecessors, (63), 1 states have return successors, (59), 3 states have call predecessors, (59), 4 states have call successors, (59) [2022-07-12 14:52:46,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 14:52:49,885 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 [] [2022-07-12 14:52:54,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 14:52:54,705 INFO L93 Difference]: Finished difference Result 55142 states and 71514 transitions. [2022-07-12 14:52:54,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 14:52:54,706 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 3 states have internal predecessors, (214), 4 states have call successors, (63), 6 states have call predecessors, (63), 1 states have return successors, (59), 3 states have call predecessors, (59), 4 states have call successors, (59) Word has length 580 [2022-07-12 14:52:54,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 14:52:54,815 INFO L225 Difference]: With dead ends: 55142 [2022-07-12 14:52:54,815 INFO L226 Difference]: Without dead ends: 30752 [2022-07-12 14:52:54,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2022-07-12 14:52:54,986 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 1335 mSDsluCounter, 3014 mSDsCounter, 0 mSdLazyCounter, 2982 mSolverCounterSat, 1141 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1427 SdHoareTripleChecker+Valid, 4756 SdHoareTripleChecker+Invalid, 4124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1141 IncrementalHoareTripleChecker+Valid, 2982 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-12 14:52:54,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1427 Valid, 4756 Invalid, 4124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1141 Valid, 2982 Invalid, 1 Unknown, 0 Unchecked, 10.4s Time] [2022-07-12 14:52:55,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30752 states. [2022-07-12 14:52:56,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30752 to 30588. [2022-07-12 14:52:56,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30588 states, 22990 states have (on average 1.2146585471944324) internal successors, (27925), 23274 states have internal predecessors, (27925), 5654 states have call successors, (5654), 1937 states have call predecessors, (5654), 1943 states have return successors, (5900), 5450 states have call predecessors, (5900), 5654 states have call successors, (5900) [2022-07-12 14:52:56,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30588 states to 30588 states and 39479 transitions. [2022-07-12 14:52:56,664 INFO L78 Accepts]: Start accepts. Automaton has 30588 states and 39479 transitions. Word has length 580 [2022-07-12 14:52:56,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 14:52:56,665 INFO L495 AbstractCegarLoop]: Abstraction has 30588 states and 39479 transitions. [2022-07-12 14:52:56,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 30.571428571428573) internal successors, (214), 3 states have internal predecessors, (214), 4 states have call successors, (63), 6 states have call predecessors, (63), 1 states have return successors, (59), 3 states have call predecessors, (59), 4 states have call successors, (59) [2022-07-12 14:52:56,665 INFO L276 IsEmpty]: Start isEmpty. Operand 30588 states and 39479 transitions. [2022-07-12 14:52:56,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 616 [2022-07-12 14:52:56,676 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 14:52:56,676 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 20, 20, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 14:52:56,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-12 14:52:56,676 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 14:52:56,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 14:52:56,677 INFO L85 PathProgramCache]: Analyzing trace with hash -23625706, now seen corresponding path program 1 times [2022-07-12 14:52:56,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 14:52:56,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211028651] [2022-07-12 14:52:56,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 14:52:56,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 14:52:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 14:52:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 14:52:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 14:52:56,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 14:52:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 14:52:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 14:52:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 14:52:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 14:52:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-12 14:52:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-07-12 14:52:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 14:52:56,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:56,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 14:52:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-12 14:52:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-07-12 14:52:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-07-12 14:52:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 14:52:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 14:52:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 14:52:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-12 14:52:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 14:52:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-12 14:52:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 14:52:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-12 14:52:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2022-07-12 14:52:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 14:52:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-12 14:52:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-12 14:52:57,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-12 14:52:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 14:52:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-12 14:52:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-12 14:52:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 14:52:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 14:52:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 14:52:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 14:52:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 14:52:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 14:52:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-07-12 14:52:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:52:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:52:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2022-07-12 14:52:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-12 14:52:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:52:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:52:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2022-07-12 14:52:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 14:52:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 14:52:57,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 14:52:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 14:52:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-12 14:52:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2022-07-12 14:52:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-12 14:52:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-12 14:52:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-12 14:52:57,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:52:57,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:52:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-07-12 14:52:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-12 14:52:57,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 14:52:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 14:52:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 14:52:57,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-12 14:52:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-07-12 14:52:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-12 14:52:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 14:52:57,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1855 trivial. 0 not checked. [2022-07-12 14:52:57,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 14:52:57,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211028651] [2022-07-12 14:52:57,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211028651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 14:52:57,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 14:52:57,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 14:52:57,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945858817] [2022-07-12 14:52:57,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 14:52:57,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 14:52:57,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 14:52:57,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 14:52:57,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-12 14:52:57,329 INFO L87 Difference]: Start difference. First operand 30588 states and 39479 transitions. Second operand has 11 states, 11 states have (on average 18.272727272727273) internal successors, (201), 7 states have internal predecessors, (201), 4 states have call successors, (64), 7 states have call predecessors, (64), 3 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62)