./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-wireless-orinoco-orinoco_usb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-wireless-orinoco-orinoco_usb.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 b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:31:24,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:31:24,174 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:31:24,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:31:24,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:31:24,202 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:31:24,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:31:24,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:31:24,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:31:24,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:31:24,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:31:24,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:31:24,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:31:24,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:31:24,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:31:24,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:31:24,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:31:24,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:31:24,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:31:24,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:31:24,224 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:31:24,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:31:24,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:31:24,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:31:24,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:31:24,233 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:31:24,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:31:24,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:31:24,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:31:24,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:31:24,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:31:24,236 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:31:24,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:31:24,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:31:24,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:31:24,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:31:24,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:31:24,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:31:24,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:31:24,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:31:24,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:31:24,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:31:24,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:31:24,274 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:31:24,274 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:31:24,275 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:31:24,275 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:31:24,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:31:24,276 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:31:24,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:31:24,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:31:24,277 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:31:24,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:31:24,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:31:24,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:31:24,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:31:24,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:31:24,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:31:24,279 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:31:24,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:31:24,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:31:24,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:31:24,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:31:24,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:31:24,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:31:24,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:31:24,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:31:24,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:31:24,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:31:24,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:31:24,282 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:31:24,282 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:31:24,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:31:24,282 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b087d00fa9bd90976fef9b627e09b5ad5b9a94f81c1bccd132a9fa7492421f28 [2022-07-14 02:31:24,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:31:24,561 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:31:24,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:31:24,565 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:31:24,566 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:31:24,567 INFO L432 ainManager$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-wireless-orinoco-orinoco_usb.cil.i [2022-07-14 02:31:24,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202d6e2a3/cb1226c0da8a4853a385b10fa52c4102/FLAG4eeb184a1 [2022-07-14 02:31:25,456 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:31:25,456 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-wireless-orinoco-orinoco_usb.cil.i [2022-07-14 02:31:25,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202d6e2a3/cb1226c0da8a4853a385b10fa52c4102/FLAG4eeb184a1 [2022-07-14 02:31:25,641 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202d6e2a3/cb1226c0da8a4853a385b10fa52c4102 [2022-07-14 02:31:25,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:31:25,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:31:25,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:31:25,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:31:25,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:31:25,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:31:25" (1/1) ... [2022-07-14 02:31:25,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3d95ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:25, skipping insertion in model container [2022-07-14 02:31:25,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:31:25" (1/1) ... [2022-07-14 02:31:25,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:31:25,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:31:28,860 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-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2022-07-14 02:31:28,864 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-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2022-07-14 02:31:28,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:31:28,933 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:31:29,212 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-wireless-orinoco-orinoco_usb.cil.i[357318,357331] [2022-07-14 02:31:29,214 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-wireless-orinoco-orinoco_usb.cil.i[357463,357476] [2022-07-14 02:31:29,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:31:29,378 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:31:29,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29 WrapperNode [2022-07-14 02:31:29,379 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:31:29,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:31:29,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:31:29,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:31:29,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,631 INFO L137 Inliner]: procedures = 421, calls = 1839, calls flagged for inlining = 205, calls inlined = 179, statements flattened = 4240 [2022-07-14 02:31:29,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:31:29,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:31:29,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:31:29,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:31:29,641 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,820 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:31:29,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:31:29,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:31:29,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:31:29,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (1/1) ... [2022-07-14 02:31:29,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:31:29,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:31:29,856 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) [2022-07-14 02:31:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure build_crc [2022-07-14 02:31:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure build_crc [2022-07-14 02:31:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_set_multicast_list [2022-07-14 02:31:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_set_multicast_list [2022-07-14 02:31:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:31:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:31:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_87 [2022-07-14 02:31:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_87 [2022-07-14 02:31:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:31:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:31:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irqsave [2022-07-14 02:31:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irqsave [2022-07-14 02:31:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-07-14 02:31:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-07-14 02:31:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 02:31:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 02:31:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure free_orinocodev [2022-07-14 02:31:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure free_orinocodev [2022-07-14 02:31:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:31:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:31:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:31:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:31:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:31:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:31:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_8051_cpucs [2022-07-14 02:31:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_8051_cpucs [2022-07-14 02:31:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:31:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 02:31:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 02:31:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_unlock [2022-07-14 02:31:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_unlock [2022-07-14 02:31:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_open [2022-07-14 02:31:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_open [2022-07-14 02:31:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:31:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:31:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-14 02:31:29,901 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-14 02:31:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irqrestore [2022-07-14 02:31:29,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irqrestore [2022-07-14 02:31:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 02:31:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_disconnect [2022-07-14 02:31:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_disconnect [2022-07-14 02:31:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 02:31:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 02:31:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:31:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:31:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:31:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:31:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 02:31:29,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 02:31:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:31:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:31:29,904 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_init [2022-07-14 02:31:29,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_init [2022-07-14 02:31:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:31:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:31:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-14 02:31:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-14 02:31:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:31:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:31:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_hard_reset [2022-07-14 02:31:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_hard_reset [2022-07-14 02:31:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 02:31:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 02:31:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:31:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-07-14 02:31:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-07-14 02:31:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:31:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:31:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:31:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:31:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 02:31:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-14 02:31:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-14 02:31:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-07-14 02:31:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-07-14 02:31:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:31:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:31:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_request_context_put [2022-07-14 02:31:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_request_context_put [2022-07-14 02:31:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 02:31:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 02:31:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-14 02:31:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-14 02:31:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_submit_in_urb [2022-07-14 02:31:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_submit_in_urb [2022-07-14 02:31:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 02:31:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 02:31:29,879 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 [2022-07-14 02:31:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:31:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:31:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_lock_irq [2022-07-14 02:31:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_lock_irq [2022-07-14 02:31:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:31:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:31:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure ndev_priv [2022-07-14 02:31:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ndev_priv [2022-07-14 02:31:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-14 02:31:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-14 02:31:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:31:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:31:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:31:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:31:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-07-14 02:31:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-07-14 02:31:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_unlock_irq [2022-07-14 02:31:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_unlock_irq [2022-07-14 02:31:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:31:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 02:31:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 02:31:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2022-07-14 02:31:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2022-07-14 02:31:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:31:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure __list_del_entry [2022-07-14 02:31:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_del_entry [2022-07-14 02:31:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_121 [2022-07-14 02:31:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_121 [2022-07-14 02:31:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:31:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_tx_timeout [2022-07-14 02:31:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_tx_timeout [2022-07-14 02:31:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_program_end [2022-07-14 02:31:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_program_end [2022-07-14 02:31:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-14 02:31:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-14 02:31:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:31:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:31:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 02:31:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 02:31:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2022-07-14 02:31:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_orinoco_driver_exit_10_2 [2022-07-14 02:31:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure orinoco_stop [2022-07-14 02:31:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure orinoco_stop [2022-07-14 02:31:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_access_ltv [2022-07-14 02:31:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_access_ltv [2022-07-14 02:31:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-14 02:31:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-14 02:31:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_write_ltv [2022-07-14 02:31:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_write_ltv [2022-07-14 02:31:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_mod_timer [2022-07-14 02:31:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_mod_timer [2022-07-14 02:31:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 02:31:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 02:31:29,930 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-14 02:31:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-14 02:31:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:31:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:31:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_req_queue_run [2022-07-14 02:31:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_req_queue_run [2022-07-14 02:31:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 02:31:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 02:31:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_122 [2022-07-14 02:31:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_122 [2022-07-14 02:31:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_ctx_complete [2022-07-14 02:31:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_ctx_complete [2022-07-14 02:31:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_delete [2022-07-14 02:31:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_delete [2022-07-14 02:31:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:31:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_alloc_ctx [2022-07-14 02:31:29,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_alloc_ctx [2022-07-14 02:31:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:31:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:31:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 02:31:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 02:31:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_reply_inc [2022-07-14 02:31:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_reply_inc [2022-07-14 02:31:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2022-07-14 02:31:29,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_req_lock_of_ezusb_priv [2022-07-14 02:31:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_docmd_wait [2022-07-14 02:31:29,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_docmd_wait [2022-07-14 02:31:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:31:29,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:31:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_3_4 [2022-07-14 02:31:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_3_4 [2022-07-14 02:31:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:31:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 02:31:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 02:31:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure ezusb_complete_all [2022-07-14 02:31:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ezusb_complete_all [2022-07-14 02:31:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:31:29,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:31:29,936 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-07-14 02:31:29,936 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-07-14 02:31:30,724 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:31:30,728 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:31:31,013 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:31:33,159 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:31:33,237 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:31:33,251 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:31:33,251 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 02:31:33,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:31:33 BoogieIcfgContainer [2022-07-14 02:31:33,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:31:33,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:31:33,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:31:33,259 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:31:33,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:31:25" (1/3) ... [2022-07-14 02:31:33,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274bc689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:31:33, skipping insertion in model container [2022-07-14 02:31:33,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:31:29" (2/3) ... [2022-07-14 02:31:33,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274bc689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:31:33, skipping insertion in model container [2022-07-14 02:31:33,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:31:33" (3/3) ... [2022-07-14 02:31:33,262 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-orinoco-orinoco_usb.cil.i [2022-07-14 02:31:33,274 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:31:33,274 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:31:33,342 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:31:33,347 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@a7abcb5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3f386147 [2022-07-14 02:31:33,347 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:31:33,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 1467 states, 1027 states have (on average 1.299902629016553) internal successors, (1335), 1040 states have internal predecessors, (1335), 358 states have call successors, (358), 82 states have call predecessors, (358), 81 states have return successors, (351), 347 states have call predecessors, (351), 351 states have call successors, (351) [2022-07-14 02:31:33,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-14 02:31:33,379 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:31:33,380 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:31:33,380 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:31:33,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:31:33,387 INFO L85 PathProgramCache]: Analyzing trace with hash -860289197, now seen corresponding path program 1 times [2022-07-14 02:31:33,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:31:33,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610426686] [2022-07-14 02:31:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:31:33,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:31:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:31:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:31:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:31:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:31:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:31:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:31:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:31:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:31:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:31:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:31:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:31:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:31:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:31:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:31:34,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:31:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:31:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-14 02:31:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 02:31:34,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:31:34,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610426686] [2022-07-14 02:31:34,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610426686] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:31:34,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:31:34,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:31:34,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84736914] [2022-07-14 02:31:34,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:31:34,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:31:34,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:31:34,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:31:34,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:31:34,607 INFO L87 Difference]: Start difference. First operand has 1467 states, 1027 states have (on average 1.299902629016553) internal successors, (1335), 1040 states have internal predecessors, (1335), 358 states have call successors, (358), 82 states have call predecessors, (358), 81 states have return successors, (351), 347 states have call predecessors, (351), 351 states have call successors, (351) Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 02:31:38,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:31:38,090 INFO L93 Difference]: Finished difference Result 4366 states and 6304 transitions. [2022-07-14 02:31:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:31:38,093 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 203 [2022-07-14 02:31:38,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:31:38,125 INFO L225 Difference]: With dead ends: 4366 [2022-07-14 02:31:38,125 INFO L226 Difference]: Without dead ends: 2855 [2022-07-14 02:31:38,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:31:38,143 INFO L413 NwaCegarLoop]: 2203 mSDtfsCounter, 2328 mSDsluCounter, 2223 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 1091 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2579 SdHoareTripleChecker+Valid, 4426 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1091 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:31:38,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2579 Valid, 4426 Invalid, 2711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1091 Valid, 1620 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-14 02:31:38,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2855 states. [2022-07-14 02:31:38,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2855 to 2581. [2022-07-14 02:31:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2581 states, 1835 states have (on average 1.2779291553133516) internal successors, (2345), 1861 states have internal predecessors, (2345), 589 states have call successors, (589), 156 states have call predecessors, (589), 156 states have return successors, (589), 579 states have call predecessors, (589), 589 states have call successors, (589) [2022-07-14 02:31:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2581 states and 3523 transitions. [2022-07-14 02:31:38,372 INFO L78 Accepts]: Start accepts. Automaton has 2581 states and 3523 transitions. Word has length 203 [2022-07-14 02:31:38,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:31:38,376 INFO L495 AbstractCegarLoop]: Abstraction has 2581 states and 3523 transitions. [2022-07-14 02:31:38,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 02:31:38,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 3523 transitions. [2022-07-14 02:31:38,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-14 02:31:38,388 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:31:38,388 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:31:38,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:31:38,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:31:38,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:31:38,390 INFO L85 PathProgramCache]: Analyzing trace with hash 1816001984, now seen corresponding path program 1 times [2022-07-14 02:31:38,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:31:38,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91743078] [2022-07-14 02:31:38,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:31:38,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:31:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:31:38,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:31:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:31:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:31:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:31:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:31:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:31:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:31:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:31:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:31:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:31:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:31:38,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:31:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:31:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:38,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:31:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:39,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:31:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:39,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-14 02:31:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:39,039 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2022-07-14 02:31:39,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:31:39,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91743078] [2022-07-14 02:31:39,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91743078] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:31:39,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:31:39,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:31:39,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854515958] [2022-07-14 02:31:39,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:31:39,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:31:39,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:31:39,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:31:39,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:31:39,044 INFO L87 Difference]: Start difference. First operand 2581 states and 3523 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 02:31:41,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:31:41,763 INFO L93 Difference]: Finished difference Result 7370 states and 10204 transitions. [2022-07-14 02:31:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:31:41,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 209 [2022-07-14 02:31:41,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:31:41,805 INFO L225 Difference]: With dead ends: 7370 [2022-07-14 02:31:41,805 INFO L226 Difference]: Without dead ends: 4824 [2022-07-14 02:31:41,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:31:41,824 INFO L413 NwaCegarLoop]: 2228 mSDtfsCounter, 1954 mSDsluCounter, 2272 mSDsCounter, 0 mSdLazyCounter, 1442 mSolverCounterSat, 868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2158 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 2310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 868 IncrementalHoareTripleChecker+Valid, 1442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:31:41,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2158 Valid, 4500 Invalid, 2310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [868 Valid, 1442 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 02:31:41,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4824 states. [2022-07-14 02:31:41,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4824 to 4365. [2022-07-14 02:31:41,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4365 states, 3118 states have (on average 1.27517639512508) internal successors, (3976), 3168 states have internal predecessors, (3976), 971 states have call successors, (971), 275 states have call predecessors, (971), 275 states have return successors, (971), 947 states have call predecessors, (971), 971 states have call successors, (971) [2022-07-14 02:31:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4365 states to 4365 states and 5918 transitions. [2022-07-14 02:31:42,021 INFO L78 Accepts]: Start accepts. Automaton has 4365 states and 5918 transitions. Word has length 209 [2022-07-14 02:31:42,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:31:42,022 INFO L495 AbstractCegarLoop]: Abstraction has 4365 states and 5918 transitions. [2022-07-14 02:31:42,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-14 02:31:42,023 INFO L276 IsEmpty]: Start isEmpty. Operand 4365 states and 5918 transitions. [2022-07-14 02:31:42,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-14 02:31:42,031 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:31:42,032 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2022-07-14 02:31:42,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:31:42,032 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:31:42,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:31:42,034 INFO L85 PathProgramCache]: Analyzing trace with hash -409850479, now seen corresponding path program 1 times [2022-07-14 02:31:42,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:31:42,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033559753] [2022-07-14 02:31:42,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:31:42,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:31:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:31:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:31:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:31:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:31:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:31:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:31:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:31:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:31:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:31:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:31:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:31:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:31:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:31:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:31:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:31:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:31:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-14 02:31:42,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2022-07-14 02:31:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 02:31:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:42,609 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2022-07-14 02:31:42,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:31:42,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033559753] [2022-07-14 02:31:42,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033559753] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:31:42,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:31:42,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:31:42,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804568471] [2022-07-14 02:31:42,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:31:42,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:31:42,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:31:42,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:31:42,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:31:42,613 INFO L87 Difference]: Start difference. First operand 4365 states and 5918 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:31:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:31:45,514 INFO L93 Difference]: Finished difference Result 11215 states and 15400 transitions. [2022-07-14 02:31:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:31:45,515 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 225 [2022-07-14 02:31:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:31:45,569 INFO L225 Difference]: With dead ends: 11215 [2022-07-14 02:31:45,569 INFO L226 Difference]: Without dead ends: 6885 [2022-07-14 02:31:45,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:31:45,591 INFO L413 NwaCegarLoop]: 2029 mSDtfsCounter, 2304 mSDsluCounter, 2193 mSDsCounter, 0 mSdLazyCounter, 1438 mSolverCounterSat, 1014 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2532 SdHoareTripleChecker+Valid, 4222 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1014 IncrementalHoareTripleChecker+Valid, 1438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:31:45,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2532 Valid, 4222 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1014 Valid, 1438 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:31:45,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6885 states. [2022-07-14 02:31:45,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6885 to 6207. [2022-07-14 02:31:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6207 states, 4437 states have (on average 1.2724814063556458) internal successors, (5646), 4510 states have internal predecessors, (5646), 1359 states have call successors, (1359), 410 states have call predecessors, (1359), 410 states have return successors, (1359), 1325 states have call predecessors, (1359), 1359 states have call successors, (1359) [2022-07-14 02:31:45,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6207 states to 6207 states and 8364 transitions. [2022-07-14 02:31:45,859 INFO L78 Accepts]: Start accepts. Automaton has 6207 states and 8364 transitions. Word has length 225 [2022-07-14 02:31:45,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:31:45,861 INFO L495 AbstractCegarLoop]: Abstraction has 6207 states and 8364 transitions. [2022-07-14 02:31:45,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:31:45,861 INFO L276 IsEmpty]: Start isEmpty. Operand 6207 states and 8364 transitions. [2022-07-14 02:31:45,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-07-14 02:31:45,868 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:31:45,869 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 15, 15, 15, 15, 15, 15, 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] [2022-07-14 02:31:45,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:31:45,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:31:45,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:31:45,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1317528775, now seen corresponding path program 1 times [2022-07-14 02:31:45,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:31:45,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055651015] [2022-07-14 02:31:45,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:31:45,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:31:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:31:46,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:31:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:31:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:31:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:31:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:31:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:31:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:31:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:31:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:31:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:31:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:31:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:31:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:31:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:31:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:31:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-07-14 02:31:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-14 02:31:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 02:31:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1038 trivial. 0 not checked. [2022-07-14 02:31:46,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:31:46,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055651015] [2022-07-14 02:31:46,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055651015] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:31:46,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:31:46,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:31:46,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145843] [2022-07-14 02:31:46,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:31:46,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:31:46,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:31:46,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:31:46,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:31:46,405 INFO L87 Difference]: Start difference. First operand 6207 states and 8364 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:31:49,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:31:49,314 INFO L93 Difference]: Finished difference Result 16598 states and 22728 transitions. [2022-07-14 02:31:49,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:31:49,316 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 232 [2022-07-14 02:31:49,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:31:49,393 INFO L225 Difference]: With dead ends: 16598 [2022-07-14 02:31:49,394 INFO L226 Difference]: Without dead ends: 10426 [2022-07-14 02:31:49,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:31:49,429 INFO L413 NwaCegarLoop]: 3142 mSDtfsCounter, 2307 mSDsluCounter, 2791 mSDsCounter, 0 mSdLazyCounter, 1561 mSolverCounterSat, 828 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2551 SdHoareTripleChecker+Valid, 5933 SdHoareTripleChecker+Invalid, 2389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 828 IncrementalHoareTripleChecker+Valid, 1561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:31:49,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2551 Valid, 5933 Invalid, 2389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [828 Valid, 1561 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:31:49,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10426 states. [2022-07-14 02:31:49,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10426 to 9426. [2022-07-14 02:31:49,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9426 states, 6743 states have (on average 1.27183746107074) internal successors, (8576), 6852 states have internal predecessors, (8576), 2061 states have call successors, (2061), 621 states have call predecessors, (2061), 621 states have return successors, (2061), 2009 states have call predecessors, (2061), 2061 states have call successors, (2061) [2022-07-14 02:31:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9426 states to 9426 states and 12698 transitions. [2022-07-14 02:31:49,893 INFO L78 Accepts]: Start accepts. Automaton has 9426 states and 12698 transitions. Word has length 232 [2022-07-14 02:31:49,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:31:49,894 INFO L495 AbstractCegarLoop]: Abstraction has 9426 states and 12698 transitions. [2022-07-14 02:31:49,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 02:31:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 9426 states and 12698 transitions. [2022-07-14 02:31:49,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-14 02:31:49,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:31:49,904 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:31:49,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 02:31:49,904 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:31:49,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:31:49,905 INFO L85 PathProgramCache]: Analyzing trace with hash -114680062, now seen corresponding path program 1 times [2022-07-14 02:31:49,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:31:49,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602297539] [2022-07-14 02:31:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:31:49,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:31:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:31:50,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:31:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:31:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:31:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:31:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:31:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:31:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:31:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:31:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:31:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:31:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:31:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:31:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:31:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:31:50,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:31:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:31:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 02:31:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:31:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:31:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-14 02:31:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 02:31:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 02:31:50,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:31:50,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-14 02:31:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:50,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:31:50,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:31:50,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602297539] [2022-07-14 02:31:50,541 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602297539] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:31:50,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:31:50,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:31:50,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166788225] [2022-07-14 02:31:50,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:31:50,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:31:50,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:31:50,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:31:50,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:31:50,543 INFO L87 Difference]: Start difference. First operand 9426 states and 12698 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 02:31:53,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:31:53,635 INFO L93 Difference]: Finished difference Result 28294 states and 38862 transitions. [2022-07-14 02:31:53,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:31:53,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2022-07-14 02:31:53,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:31:53,758 INFO L225 Difference]: With dead ends: 28294 [2022-07-14 02:31:53,758 INFO L226 Difference]: Without dead ends: 19592 [2022-07-14 02:31:53,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:31:53,804 INFO L413 NwaCegarLoop]: 3564 mSDtfsCounter, 2125 mSDsluCounter, 2988 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2361 SdHoareTripleChecker+Valid, 6552 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 750 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:31:53,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2361 Valid, 6552 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [750 Valid, 1590 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:31:53,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19592 states. [2022-07-14 02:31:54,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19592 to 17690. [2022-07-14 02:31:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17690 states, 12665 states have (on average 1.2735886300829056) internal successors, (16130), 12862 states have internal predecessors, (16130), 3857 states have call successors, (3857), 1167 states have call predecessors, (3857), 1167 states have return successors, (3857), 3769 states have call predecessors, (3857), 3857 states have call successors, (3857) [2022-07-14 02:31:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17690 states to 17690 states and 23844 transitions. [2022-07-14 02:31:54,634 INFO L78 Accepts]: Start accepts. Automaton has 17690 states and 23844 transitions. Word has length 284 [2022-07-14 02:31:54,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:31:54,635 INFO L495 AbstractCegarLoop]: Abstraction has 17690 states and 23844 transitions. [2022-07-14 02:31:54,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 02:31:54,635 INFO L276 IsEmpty]: Start isEmpty. Operand 17690 states and 23844 transitions. [2022-07-14 02:31:54,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-07-14 02:31:54,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:31:54,647 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:31:54,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 02:31:54,648 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:31:54,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:31:54,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1146237188, now seen corresponding path program 1 times [2022-07-14 02:31:54,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:31:54,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897669734] [2022-07-14 02:31:54,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:31:54,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:31:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:31:54,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:31:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:31:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:31:54,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:54,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:31:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:31:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:31:54,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:31:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:31:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:54,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:31:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:31:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:31:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:31:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:31:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:31:55,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:31:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:31:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 02:31:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:31:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:31:55,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:31:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-14 02:31:55,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 02:31:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 02:31:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:31:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-14 02:31:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:31:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1241 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-14 02:31:55,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:31:55,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897669734] [2022-07-14 02:31:55,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897669734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:31:55,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:31:55,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:31:55,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871698281] [2022-07-14 02:31:55,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:31:55,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:31:55,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:31:55,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:31:55,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:31:55,190 INFO L87 Difference]: Start difference. First operand 17690 states and 23844 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 02:31:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:31:58,577 INFO L93 Difference]: Finished difference Result 45736 states and 62700 transitions. [2022-07-14 02:31:58,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:31:58,578 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 284 [2022-07-14 02:31:58,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:31:58,742 INFO L225 Difference]: With dead ends: 45736 [2022-07-14 02:31:58,742 INFO L226 Difference]: Without dead ends: 28698 [2022-07-14 02:31:58,807 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:31:58,808 INFO L413 NwaCegarLoop]: 3572 mSDtfsCounter, 2122 mSDsluCounter, 2999 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 748 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2359 SdHoareTripleChecker+Valid, 6571 SdHoareTripleChecker+Invalid, 2340 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 748 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:31:58,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2359 Valid, 6571 Invalid, 2340 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [748 Valid, 1592 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:31:58,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28698 states. [2022-07-14 02:31:59,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28698 to 25890. [2022-07-14 02:31:59,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25890 states, 18523 states have (on average 1.274739513037845) internal successors, (23612), 18808 states have internal predecessors, (23612), 5653 states have call successors, (5653), 1713 states have call predecessors, (5653), 1713 states have return successors, (5653), 5529 states have call predecessors, (5653), 5653 states have call successors, (5653) [2022-07-14 02:31:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25890 states to 25890 states and 34918 transitions. [2022-07-14 02:31:59,962 INFO L78 Accepts]: Start accepts. Automaton has 25890 states and 34918 transitions. Word has length 284 [2022-07-14 02:31:59,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:31:59,963 INFO L495 AbstractCegarLoop]: Abstraction has 25890 states and 34918 transitions. [2022-07-14 02:31:59,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 02:31:59,963 INFO L276 IsEmpty]: Start isEmpty. Operand 25890 states and 34918 transitions. [2022-07-14 02:31:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2022-07-14 02:31:59,972 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:31:59,972 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:31:59,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 02:31:59,973 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:31:59,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:31:59,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1120002710, now seen corresponding path program 1 times [2022-07-14 02:31:59,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:31:59,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174780529] [2022-07-14 02:31:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:31:59,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:32:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:32:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:32:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:32:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:32:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:32:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:32:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:32:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:32:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:32:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:32:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:32:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:32:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:32:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:32:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:32:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:32:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:32:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:32:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-07-14 02:32:00,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 02:32:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:32:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-14 02:32:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-14 02:32:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:32:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-14 02:32:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-14 02:32:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-14 02:32:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-14 02:32:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:00,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2022-07-14 02:32:00,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:32:00,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174780529] [2022-07-14 02:32:00,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174780529] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:32:00,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:32:00,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:32:00,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758197914] [2022-07-14 02:32:00,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:32:00,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:32:00,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:32:00,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:32:00,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:32:00,748 INFO L87 Difference]: Start difference. First operand 25890 states and 34918 transitions. Second operand has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:32:05,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:32:05,825 INFO L93 Difference]: Finished difference Result 74244 states and 101934 transitions. [2022-07-14 02:32:05,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:32:05,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 289 [2022-07-14 02:32:05,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:32:06,102 INFO L225 Difference]: With dead ends: 74244 [2022-07-14 02:32:06,102 INFO L226 Difference]: Without dead ends: 48311 [2022-07-14 02:32:06,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:32:06,220 INFO L413 NwaCegarLoop]: 1928 mSDtfsCounter, 3587 mSDsluCounter, 2127 mSDsCounter, 0 mSdLazyCounter, 2710 mSolverCounterSat, 2367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3792 SdHoareTripleChecker+Valid, 4055 SdHoareTripleChecker+Invalid, 5077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2367 IncrementalHoareTripleChecker+Valid, 2710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:32:06,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3792 Valid, 4055 Invalid, 5077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2367 Valid, 2710 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-07-14 02:32:06,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48311 states. [2022-07-14 02:32:08,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48311 to 43385. [2022-07-14 02:32:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43385 states, 30924 states have (on average 1.27147199586082) internal successors, (39319), 31403 states have internal predecessors, (39319), 9578 states have call successors, (9578), 2884 states have call predecessors, (9578), 2882 states have return successors, (9574), 9361 states have call predecessors, (9574), 9574 states have call successors, (9574) [2022-07-14 02:32:08,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43385 states to 43385 states and 58471 transitions. [2022-07-14 02:32:08,332 INFO L78 Accepts]: Start accepts. Automaton has 43385 states and 58471 transitions. Word has length 289 [2022-07-14 02:32:08,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:32:08,332 INFO L495 AbstractCegarLoop]: Abstraction has 43385 states and 58471 transitions. [2022-07-14 02:32:08,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.0) internal successors, (105), 3 states have internal predecessors, (105), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 02:32:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 43385 states and 58471 transitions. [2022-07-14 02:32:08,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-07-14 02:32:08,340 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:32:08,340 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 15, 15, 15, 15, 15, 15, 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] [2022-07-14 02:32:08,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 02:32:08,341 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:32:08,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:32:08,341 INFO L85 PathProgramCache]: Analyzing trace with hash 1279908174, now seen corresponding path program 1 times [2022-07-14 02:32:08,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:32:08,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385614413] [2022-07-14 02:32:08,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:32:08,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:32:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:32:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:32:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:32:08,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:32:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:32:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:32:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:32:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:32:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:32:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:32:08,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:32:08,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:32:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:32:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:32:08,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:32:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:08,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:32:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:32:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 02:32:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:32:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-14 02:32:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-07-14 02:32:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 02:32:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-14 02:32:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:32:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-14 02:32:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-14 02:32:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:09,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1253 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2022-07-14 02:32:09,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:32:09,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385614413] [2022-07-14 02:32:09,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385614413] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:32:09,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:32:09,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:32:09,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693497158] [2022-07-14 02:32:09,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:32:09,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:32:09,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:32:09,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:32:09,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:32:09,117 INFO L87 Difference]: Start difference. First operand 43385 states and 58471 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 02:32:13,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:32:13,652 INFO L93 Difference]: Finished difference Result 116634 states and 159720 transitions. [2022-07-14 02:32:13,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:32:13,653 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 299 [2022-07-14 02:32:13,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:32:14,163 INFO L225 Difference]: With dead ends: 116634 [2022-07-14 02:32:14,164 INFO L226 Difference]: Without dead ends: 73316 [2022-07-14 02:32:14,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:32:14,354 INFO L413 NwaCegarLoop]: 3121 mSDtfsCounter, 2157 mSDsluCounter, 2607 mSDsCounter, 0 mSdLazyCounter, 1488 mSolverCounterSat, 823 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 5728 SdHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 823 IncrementalHoareTripleChecker+Valid, 1488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:32:14,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 5728 Invalid, 2311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [823 Valid, 1488 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-14 02:32:14,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73316 states. [2022-07-14 02:32:16,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73316 to 65247. [2022-07-14 02:32:17,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65247 states, 46323 states have (on average 1.2653757312781988) internal successors, (58616), 47083 states have internal predecessors, (58616), 14436 states have call successors, (14436), 4490 states have call predecessors, (14436), 4487 states have return successors, (14432), 14092 states have call predecessors, (14432), 14432 states have call successors, (14432) [2022-07-14 02:32:17,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65247 states to 65247 states and 87484 transitions. [2022-07-14 02:32:17,772 INFO L78 Accepts]: Start accepts. Automaton has 65247 states and 87484 transitions. Word has length 299 [2022-07-14 02:32:17,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:32:17,773 INFO L495 AbstractCegarLoop]: Abstraction has 65247 states and 87484 transitions. [2022-07-14 02:32:17,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 02:32:17,774 INFO L276 IsEmpty]: Start isEmpty. Operand 65247 states and 87484 transitions. [2022-07-14 02:32:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-14 02:32:17,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:32:17,781 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-14 02:32:17,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 02:32:17,782 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:32:17,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:32:17,782 INFO L85 PathProgramCache]: Analyzing trace with hash 2032072813, now seen corresponding path program 1 times [2022-07-14 02:32:17,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:32:17,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171800609] [2022-07-14 02:32:17,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:32:17,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:32:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:32:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:17,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:32:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:17,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:32:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:17,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:32:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:32:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:32:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:32:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:32:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:32:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:32:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:32:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:32:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:32:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:32:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:32:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:32:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:32:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 02:32:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:32:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:32:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-14 02:32:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 02:32:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-14 02:32:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 02:32:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:32:18,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:32:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-14 02:32:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:32:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:18,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2022-07-14 02:32:18,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:32:18,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171800609] [2022-07-14 02:32:18,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171800609] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:32:18,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:32:18,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:32:18,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811111932] [2022-07-14 02:32:18,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:32:18,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:32:18,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:32:18,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:32:18,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:32:18,348 INFO L87 Difference]: Start difference. First operand 65247 states and 87484 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 02:32:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:32:23,895 INFO L93 Difference]: Finished difference Result 162407 states and 221466 transitions. [2022-07-14 02:32:23,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:32:23,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 310 [2022-07-14 02:32:23,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:32:24,655 INFO L225 Difference]: With dead ends: 162407 [2022-07-14 02:32:24,655 INFO L226 Difference]: Without dead ends: 97073 [2022-07-14 02:32:24,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:32:24,916 INFO L413 NwaCegarLoop]: 3445 mSDtfsCounter, 2123 mSDsluCounter, 2898 mSDsCounter, 0 mSdLazyCounter, 1574 mSolverCounterSat, 772 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2361 SdHoareTripleChecker+Valid, 6343 SdHoareTripleChecker+Invalid, 2346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 772 IncrementalHoareTripleChecker+Valid, 1574 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:32:24,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2361 Valid, 6343 Invalid, 2346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [772 Valid, 1574 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-14 02:32:25,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97073 states. [2022-07-14 02:32:27,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97073 to 65247. [2022-07-14 02:32:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65247 states, 46323 states have (on average 1.2653541437298965) internal successors, (58615), 47083 states have internal predecessors, (58615), 14436 states have call successors, (14436), 4490 states have call predecessors, (14436), 4487 states have return successors, (14432), 14092 states have call predecessors, (14432), 14432 states have call successors, (14432) [2022-07-14 02:32:28,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65247 states to 65247 states and 87483 transitions. [2022-07-14 02:32:28,091 INFO L78 Accepts]: Start accepts. Automaton has 65247 states and 87483 transitions. Word has length 310 [2022-07-14 02:32:28,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:32:28,092 INFO L495 AbstractCegarLoop]: Abstraction has 65247 states and 87483 transitions. [2022-07-14 02:32:28,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 02:32:28,093 INFO L276 IsEmpty]: Start isEmpty. Operand 65247 states and 87483 transitions. [2022-07-14 02:32:28,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-14 02:32:28,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:32:28,099 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 15, 15, 15, 15, 15, 15, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-14 02:32:28,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 02:32:28,100 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:32:28,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:32:28,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1001977233, now seen corresponding path program 1 times [2022-07-14 02:32:28,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:32:28,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482393611] [2022-07-14 02:32:28,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:32:28,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:32:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:32:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:32:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:32:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:32:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:32:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:32:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:32:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:32:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:32:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:32:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:32:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:32:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:32:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:32:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:32:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:32:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:32:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 02:32:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:32:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:32:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-14 02:32:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 02:32:28,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-14 02:32:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 02:32:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:32:28,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:32:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-14 02:32:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-14 02:32:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:28,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2022-07-14 02:32:28,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:32:28,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482393611] [2022-07-14 02:32:28,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482393611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:32:28,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:32:28,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:32:28,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271775319] [2022-07-14 02:32:28,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:32:28,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:32:28,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:32:28,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:32:28,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:32:28,613 INFO L87 Difference]: Start difference. First operand 65247 states and 87483 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 02:32:34,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:32:34,550 INFO L93 Difference]: Finished difference Result 168853 states and 229984 transitions. [2022-07-14 02:32:34,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:32:34,551 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 310 [2022-07-14 02:32:34,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:32:35,172 INFO L225 Difference]: With dead ends: 168853 [2022-07-14 02:32:35,173 INFO L226 Difference]: Without dead ends: 103703 [2022-07-14 02:32:35,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:32:35,383 INFO L413 NwaCegarLoop]: 3318 mSDtfsCounter, 1873 mSDsluCounter, 2765 mSDsCounter, 0 mSdLazyCounter, 1603 mSolverCounterSat, 744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2106 SdHoareTripleChecker+Valid, 6083 SdHoareTripleChecker+Invalid, 2347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 744 IncrementalHoareTripleChecker+Valid, 1603 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:32:35,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2106 Valid, 6083 Invalid, 2347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [744 Valid, 1603 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-14 02:32:35,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103703 states. [2022-07-14 02:32:38,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103703 to 91913. [2022-07-14 02:32:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91913 states, 65268 states have (on average 1.2629772629772629) internal successors, (82432), 66400 states have internal predecessors, (82432), 20166 states have call successors, (20166), 6481 states have call predecessors, (20166), 6478 states have return successors, (20162), 19648 states have call predecessors, (20162), 20162 states have call successors, (20162) [2022-07-14 02:32:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91913 states to 91913 states and 122760 transitions. [2022-07-14 02:32:39,324 INFO L78 Accepts]: Start accepts. Automaton has 91913 states and 122760 transitions. Word has length 310 [2022-07-14 02:32:39,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:32:39,325 INFO L495 AbstractCegarLoop]: Abstraction has 91913 states and 122760 transitions. [2022-07-14 02:32:39,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 02:32:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 91913 states and 122760 transitions. [2022-07-14 02:32:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-07-14 02:32:39,337 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:32:39,338 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:32:39,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 02:32:39,339 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:32:39,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:32:39,339 INFO L85 PathProgramCache]: Analyzing trace with hash 530520893, now seen corresponding path program 1 times [2022-07-14 02:32:39,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:32:39,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936175381] [2022-07-14 02:32:39,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:32:39,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:32:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:32:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:32:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:32:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:32:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:32:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:32:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:32:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:32:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 02:32:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 02:32:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 02:32:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 02:32:39,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 02:32:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:32:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 02:32:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-14 02:32:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-14 02:32:39,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-14 02:32:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:32:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:32:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:32:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-14 02:32:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-07-14 02:32:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-14 02:32:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 02:32:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-14 02:32:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-14 02:32:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-14 02:32:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-14 02:32:39,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 02:32:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-14 02:32:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:32:39,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2022-07-14 02:32:39,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:32:39,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936175381] [2022-07-14 02:32:39,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936175381] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:32:39,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:32:39,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 02:32:39,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501109610] [2022-07-14 02:32:39,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:32:39,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 02:32:39,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:32:39,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 02:32:39,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 02:32:39,903 INFO L87 Difference]: Start difference. First operand 91913 states and 122760 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-14 02:32:47,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:32:47,168 INFO L93 Difference]: Finished difference Result 225833 states and 306496 transitions. [2022-07-14 02:32:47,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 02:32:47,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 330 [2022-07-14 02:32:47,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:32:47,947 INFO L225 Difference]: With dead ends: 225833 [2022-07-14 02:32:47,948 INFO L226 Difference]: Without dead ends: 133909 [2022-07-14 02:32:48,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:32:48,484 INFO L413 NwaCegarLoop]: 3318 mSDtfsCounter, 1872 mSDsluCounter, 2769 mSDsCounter, 0 mSdLazyCounter, 1597 mSolverCounterSat, 742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 6087 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 742 IncrementalHoareTripleChecker+Valid, 1597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-14 02:32:48,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 6087 Invalid, 2339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [742 Valid, 1597 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-14 02:32:48,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133909 states.