./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-ethernet-3com-typhoon.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-ethernet-3com-typhoon.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 a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 02:22:52,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 02:22:52,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 02:22:53,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 02:22:53,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 02:22:53,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 02:22:53,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 02:22:53,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 02:22:53,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 02:22:53,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 02:22:53,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 02:22:53,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 02:22:53,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 02:22:53,041 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 02:22:53,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 02:22:53,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 02:22:53,045 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 02:22:53,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 02:22:53,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 02:22:53,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 02:22:53,050 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 02:22:53,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 02:22:53,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 02:22:53,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 02:22:53,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 02:22:53,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 02:22:53,060 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 02:22:53,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 02:22:53,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 02:22:53,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 02:22:53,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 02:22:53,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 02:22:53,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 02:22:53,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 02:22:53,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 02:22:53,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 02:22:53,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 02:22:53,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 02:22:53,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 02:22:53,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 02:22:53,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 02:22:53,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 02:22:53,070 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 02:22:53,100 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 02:22:53,100 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 02:22:53,100 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 02:22:53,101 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 02:22:53,102 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 02:22:53,102 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 02:22:53,102 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 02:22:53,103 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 02:22:53,103 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 02:22:53,103 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 02:22:53,104 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 02:22:53,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 02:22:53,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 02:22:53,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 02:22:53,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 02:22:53,104 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 02:22:53,105 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 02:22:53,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 02:22:53,105 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 02:22:53,105 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 02:22:53,105 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 02:22:53,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:22:53,105 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 02:22:53,106 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 02:22:53,106 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 02:22:53,106 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 02:22:53,106 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 02:22:53,106 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 02:22:53,106 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 02:22:53,106 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 02:22:53,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2022-07-14 02:22:53,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 02:22:53,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 02:22:53,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 02:22:53,358 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 02:22:53,359 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 02:22:53,361 INFO L432 ainManager$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-ethernet-3com-typhoon.cil.i [2022-07-14 02:22:53,461 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5369517a6/e487cf8b987847d28e0051164efac12f/FLAG96f9e52c2 [2022-07-14 02:22:54,196 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 02:22:54,197 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-ethernet-3com-typhoon.cil.i [2022-07-14 02:22:54,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5369517a6/e487cf8b987847d28e0051164efac12f/FLAG96f9e52c2 [2022-07-14 02:22:54,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5369517a6/e487cf8b987847d28e0051164efac12f [2022-07-14 02:22:54,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 02:22:54,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 02:22:54,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 02:22:54,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 02:22:54,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 02:22:54,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:22:54" (1/1) ... [2022-07-14 02:22:54,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@263b646a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:54, skipping insertion in model container [2022-07-14 02:22:54,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 02:22:54" (1/1) ... [2022-07-14 02:22:54,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 02:22:54,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 02:22:57,406 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-ethernet-3com-typhoon.cil.i[342349,342362] [2022-07-14 02:22:57,409 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-ethernet-3com-typhoon.cil.i[342494,342507] [2022-07-14 02:22:57,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:22:57,483 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 02:22:57,806 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-ethernet-3com-typhoon.cil.i[342349,342362] [2022-07-14 02:22:57,806 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-ethernet-3com-typhoon.cil.i[342494,342507] [2022-07-14 02:22:57,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 02:22:57,941 INFO L208 MainTranslator]: Completed translation [2022-07-14 02:22:57,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57 WrapperNode [2022-07-14 02:22:57,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 02:22:57,944 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 02:22:57,944 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 02:22:57,944 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 02:22:57,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,225 INFO L137 Inliner]: procedures = 455, calls = 2192, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5139 [2022-07-14 02:22:58,226 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 02:22:58,227 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 02:22:58,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 02:22:58,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 02:22:58,234 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,272 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 02:22:58,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 02:22:58,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 02:22:58,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 02:22:58,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (1/1) ... [2022-07-14 02:22:58,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 02:22:58,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 02:22:58,478 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 02:22:58,497 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 02:22:58,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 02:22:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 02:22:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 02:22:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 02:22:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 02:22:58,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 02:22:58,523 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 02:22:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 02:22:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 02:22:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 02:22:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 02:22:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 02:22:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2022-07-14 02:22:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2022-07-14 02:22:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2022-07-14 02:22:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2022-07-14 02:22:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2022-07-14 02:22:58,558 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2022-07-14 02:22:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 02:22:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 02:22:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 02:22:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 02:22:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 02:22:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 02:22:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 02:22:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 02:22:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 02:22:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 02:22:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 02:22:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 02:22:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 02:22:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 02:22:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 02:22:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 02:22:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 02:22:58,559 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 02:22:58,559 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 02:22:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 02:22:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 02:22:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2022-07-14 02:22:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2022-07-14 02:22:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 02:22:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2022-07-14 02:22:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2022-07-14 02:22:58,560 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2022-07-14 02:22:58,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2022-07-14 02:22:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 02:22:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 02:22:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 02:22:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 02:22:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 02:22:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 02:22:58,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 02:22:58,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 02:22:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 02:22:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-14 02:22:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-14 02:22:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 02:22:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 02:22:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 02:22:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 02:22:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2022-07-14 02:22:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2022-07-14 02:22:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2022-07-14 02:22:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2022-07-14 02:22:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2022-07-14 02:22:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2022-07-14 02:22:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2022-07-14 02:22:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2022-07-14 02:22:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 02:22:58,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 02:22:58,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 02:22:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 02:22:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 02:22:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 02:22:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2022-07-14 02:22:58,563 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2022-07-14 02:22:58,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 02:22:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 02:22:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 02:22:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 02:22:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 02:22:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:22:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 02:22:58,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:22:58,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 02:22:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 02:22:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 02:22:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-14 02:22:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-14 02:22:58,565 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2022-07-14 02:22:58,565 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2022-07-14 02:22:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-14 02:22:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-14 02:22:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2022-07-14 02:22:58,566 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2022-07-14 02:22:58,566 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 02:22:58,567 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 02:22:58,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 02:22:58,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 02:22:58,569 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2022-07-14 02:22:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2022-07-14 02:22:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 02:22:58,570 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 02:22:58,570 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2022-07-14 02:22:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2022-07-14 02:22:58,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 02:22:58,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 02:22:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 02:22:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 02:22:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 02:22:58,572 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 02:22:58,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 02:22:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 02:22:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 02:22:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 02:22:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 02:22:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 02:22:58,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 02:22:58,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 02:22:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 02:22:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 02:22:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 02:22:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 02:22:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 02:22:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 02:22:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2022-07-14 02:22:58,574 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2022-07-14 02:22:58,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 02:22:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 02:22:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 02:22:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 02:22:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-14 02:22:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-14 02:22:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 02:22:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2022-07-14 02:22:58,575 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2022-07-14 02:22:58,575 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 02:22:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 02:22:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 02:22:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 02:22:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 02:22:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 02:22:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 02:22:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 02:22:58,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 02:22:58,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 02:22:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-07-14 02:22:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-07-14 02:22:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 02:22:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 02:22:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 02:22:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 02:22:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2022-07-14 02:22:58,577 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2022-07-14 02:22:58,577 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 02:22:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 02:22:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2022-07-14 02:22:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2022-07-14 02:22:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2022-07-14 02:22:58,578 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2022-07-14 02:22:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2022-07-14 02:22:58,579 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2022-07-14 02:22:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 02:22:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 02:22:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 02:22:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2022-07-14 02:22:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2022-07-14 02:22:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2022-07-14 02:22:58,580 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2022-07-14 02:22:58,580 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 02:22:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 02:22:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2022-07-14 02:22:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2022-07-14 02:22:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 02:22:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 02:22:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2022-07-14 02:22:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2022-07-14 02:22:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 02:22:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 02:22:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 02:22:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 02:22:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 02:22:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2022-07-14 02:22:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2022-07-14 02:22:58,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 02:22:58,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 02:22:59,226 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 02:22:59,230 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 02:22:59,321 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 02:23:04,983 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 02:23:05,068 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 02:23:05,085 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 02:23:05,085 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 02:23:05,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:23:05 BoogieIcfgContainer [2022-07-14 02:23:05,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 02:23:05,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 02:23:05,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 02:23:05,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 02:23:05,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 02:22:54" (1/3) ... [2022-07-14 02:23:05,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661a7dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:23:05, skipping insertion in model container [2022-07-14 02:23:05,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 02:22:57" (2/3) ... [2022-07-14 02:23:05,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@661a7dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 02:23:05, skipping insertion in model container [2022-07-14 02:23:05,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 02:23:05" (3/3) ... [2022-07-14 02:23:05,100 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2022-07-14 02:23:05,114 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 02:23:05,114 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 02:23:05,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 02:23:05,205 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@77bb8c60, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@8bc51 [2022-07-14 02:23:05,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 02:23:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 1767 states, 1201 states have (on average 1.2905911740216487) internal successors, (1550), 1223 states have internal predecessors, (1550), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) [2022-07-14 02:23:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-14 02:23:05,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:23:05,257 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:05,258 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:23:05,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:23:05,262 INFO L85 PathProgramCache]: Analyzing trace with hash -969577126, now seen corresponding path program 1 times [2022-07-14 02:23:05,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:23:05,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162669336] [2022-07-14 02:23:05,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:23:05,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:23:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:05,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:23:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:05,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:23:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:23:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:05,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:23:05,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:23:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:23:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:23:06,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:23:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:23:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-14 02:23:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:23:06,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:23:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-14 02:23:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:23:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:23:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:23:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-14 02:23:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 02:23:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:06,275 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-07-14 02:23:06,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:23:06,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162669336] [2022-07-14 02:23:06,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162669336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:23:06,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:23:06,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:23:06,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724226783] [2022-07-14 02:23:06,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:23:06,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:23:06,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:23:06,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:23:06,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:23:06,316 INFO L87 Difference]: Start difference. First operand has 1767 states, 1201 states have (on average 1.2905911740216487) internal successors, (1550), 1223 states have internal predecessors, (1550), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:23:09,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:11,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:14,533 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:17,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:23:22,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:23,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:23:23,655 INFO L93 Difference]: Finished difference Result 4859 states and 7019 transitions. [2022-07-14 02:23:23,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:23:23,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 197 [2022-07-14 02:23:23,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:23:23,691 INFO L225 Difference]: With dead ends: 4859 [2022-07-14 02:23:23,691 INFO L226 Difference]: Without dead ends: 3047 [2022-07-14 02:23:23,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:23:23,713 INFO L413 NwaCegarLoop]: 2488 mSDtfsCounter, 3229 mSDsluCounter, 3151 mSDsCounter, 0 mSdLazyCounter, 2855 mSolverCounterSat, 2269 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3445 SdHoareTripleChecker+Valid, 5639 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2269 IncrementalHoareTripleChecker+Valid, 2855 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:23:23,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3445 Valid, 5639 Invalid, 5128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2269 Valid, 2855 Invalid, 4 Unknown, 0 Unchecked, 16.7s Time] [2022-07-14 02:23:23,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3047 states. [2022-07-14 02:23:23,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3047 to 2813. [2022-07-14 02:23:23,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2813 states, 1957 states have (on average 1.2754215636177824) internal successors, (2496), 1990 states have internal predecessors, (2496), 700 states have call successors, (700), 155 states have call predecessors, (700), 155 states have return successors, (700), 691 states have call predecessors, (700), 700 states have call successors, (700) [2022-07-14 02:23:23,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2813 states to 2813 states and 3896 transitions. [2022-07-14 02:23:23,976 INFO L78 Accepts]: Start accepts. Automaton has 2813 states and 3896 transitions. Word has length 197 [2022-07-14 02:23:23,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:23:23,979 INFO L495 AbstractCegarLoop]: Abstraction has 2813 states and 3896 transitions. [2022-07-14 02:23:23,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 02:23:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 2813 states and 3896 transitions. [2022-07-14 02:23:23,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-14 02:23:23,993 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:23:23,993 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:23:23,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 02:23:23,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:23:23,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:23:23,995 INFO L85 PathProgramCache]: Analyzing trace with hash 243615577, now seen corresponding path program 1 times [2022-07-14 02:23:23,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:23:23,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204826412] [2022-07-14 02:23:24,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:23:24,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:23:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:23:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:23:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:23:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:23:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:23:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:24,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:23:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:23:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:23:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:23:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2022-07-14 02:23:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-14 02:23:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:23:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:23:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:23:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:23:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 02:23:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-14 02:23:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 02:23:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 02:23:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 02:23:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-14 02:23:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-14 02:23:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 02:23:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-14 02:23:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2022-07-14 02:23:24,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:23:24,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204826412] [2022-07-14 02:23:24,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204826412] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:23:24,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:23:24,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 02:23:24,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068767899] [2022-07-14 02:23:24,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:23:24,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 02:23:24,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:23:24,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 02:23:24,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 02:23:24,409 INFO L87 Difference]: Start difference. First operand 2813 states and 3896 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 02:23:27,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:31,326 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:33,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:37,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:23:39,431 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:42,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:42,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:23:42,882 INFO L93 Difference]: Finished difference Result 7544 states and 10624 transitions. [2022-07-14 02:23:42,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:23:42,887 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 217 [2022-07-14 02:23:42,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:23:42,940 INFO L225 Difference]: With dead ends: 7544 [2022-07-14 02:23:42,940 INFO L226 Difference]: Without dead ends: 4752 [2022-07-14 02:23:42,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:23:42,954 INFO L413 NwaCegarLoop]: 2553 mSDtfsCounter, 3869 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 3194 mSolverCounterSat, 2501 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4300 SdHoareTripleChecker+Valid, 5716 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2501 IncrementalHoareTripleChecker+Valid, 3194 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:23:42,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4300 Valid, 5716 Invalid, 5700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2501 Valid, 3194 Invalid, 5 Unknown, 0 Unchecked, 18.0s Time] [2022-07-14 02:23:42,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4752 states. [2022-07-14 02:23:43,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4752 to 4386. [2022-07-14 02:23:43,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4386 states, 3029 states have (on average 1.2700561241333774) internal successors, (3847), 3086 states have internal predecessors, (3847), 1103 states have call successors, (1103), 251 states have call predecessors, (1103), 253 states have return successors, (1148), 1085 states have call predecessors, (1148), 1103 states have call successors, (1148) [2022-07-14 02:23:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 6098 transitions. [2022-07-14 02:23:43,128 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 6098 transitions. Word has length 217 [2022-07-14 02:23:43,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:23:43,128 INFO L495 AbstractCegarLoop]: Abstraction has 4386 states and 6098 transitions. [2022-07-14 02:23:43,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 02:23:43,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 6098 transitions. [2022-07-14 02:23:43,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-14 02:23:43,134 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:23:43,134 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:23:43,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 02:23:43,134 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:23:43,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:23:43,135 INFO L85 PathProgramCache]: Analyzing trace with hash 427672214, now seen corresponding path program 1 times [2022-07-14 02:23:43,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:23:43,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466338766] [2022-07-14 02:23:43,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:23:43,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:23:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:23:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:23:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:23:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:23:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:23:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:23:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:23:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:23:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:23:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:23:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:23:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:23:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:23:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:23:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:23:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:23:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-14 02:23:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-14 02:23:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-07-14 02:23:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-14 02:23:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:23:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:23:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:23:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-14 02:23:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:23:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 02:23:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:23:43,530 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-07-14 02:23:43,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:23:43,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466338766] [2022-07-14 02:23:43,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466338766] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:23:43,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:23:43,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:23:43,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627954819] [2022-07-14 02:23:43,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:23:43,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:23:43,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:23:43,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:23:43,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:23:43,533 INFO L87 Difference]: Start difference. First operand 4386 states and 6098 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-14 02:23:46,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:23:48,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:52,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:56,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:23:58,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:01,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:03,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:03,191 INFO L93 Difference]: Finished difference Result 10447 states and 14684 transitions. [2022-07-14 02:24:03,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:24:03,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 260 [2022-07-14 02:24:03,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:03,225 INFO L225 Difference]: With dead ends: 10447 [2022-07-14 02:24:03,225 INFO L226 Difference]: Without dead ends: 6082 [2022-07-14 02:24:03,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 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 02:24:03,244 INFO L413 NwaCegarLoop]: 3544 mSDtfsCounter, 2419 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 3038 mSolverCounterSat, 1624 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2629 SdHoareTripleChecker+Valid, 7653 SdHoareTripleChecker+Invalid, 4668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1624 IncrementalHoareTripleChecker+Valid, 3038 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:03,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2629 Valid, 7653 Invalid, 4668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1624 Valid, 3038 Invalid, 6 Unknown, 0 Unchecked, 19.3s Time] [2022-07-14 02:24:03,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6082 states. [2022-07-14 02:24:03,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6082 to 5624. [2022-07-14 02:24:03,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5624 states, 3914 states have (on average 1.2680122636688809) internal successors, (4963), 3984 states have internal predecessors, (4963), 1381 states have call successors, (1381), 326 states have call predecessors, (1381), 328 states have return successors, (1426), 1359 states have call predecessors, (1426), 1381 states have call successors, (1426) [2022-07-14 02:24:03,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5624 states to 5624 states and 7770 transitions. [2022-07-14 02:24:03,469 INFO L78 Accepts]: Start accepts. Automaton has 5624 states and 7770 transitions. Word has length 260 [2022-07-14 02:24:03,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:24:03,470 INFO L495 AbstractCegarLoop]: Abstraction has 5624 states and 7770 transitions. [2022-07-14 02:24:03,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-14 02:24:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 5624 states and 7770 transitions. [2022-07-14 02:24:03,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2022-07-14 02:24:03,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:24:03,477 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:03,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 02:24:03,477 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:24:03,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:24:03,478 INFO L85 PathProgramCache]: Analyzing trace with hash 2119425409, now seen corresponding path program 1 times [2022-07-14 02:24:03,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:24:03,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333503740] [2022-07-14 02:24:03,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:24:03,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:24:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:24:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:24:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:24:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:24:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:24:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:24:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:24:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:24:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:24:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:24:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:24:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:24:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:24:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:24:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:24:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:24:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:24:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:24:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:24:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:24:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:24:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:24:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:24:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 02:24:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-14 02:24:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-07-14 02:24:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-14 02:24:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-14 02:24:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:24:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:24:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:24:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:03,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-14 02:24:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:04,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:04,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 02:24:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 583 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-14 02:24:04,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:24:04,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333503740] [2022-07-14 02:24:04,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333503740] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:24:04,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:24:04,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:24:04,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708820278] [2022-07-14 02:24:04,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:24:04,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:24:04,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:24:04,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:24:04,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:24:04,035 INFO L87 Difference]: Start difference. First operand 5624 states and 7770 transitions. Second operand has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-14 02:24:06,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:24:09,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:12,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:17,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:17,117 INFO L93 Difference]: Finished difference Result 12982 states and 18147 transitions. [2022-07-14 02:24:17,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:24:17,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 334 [2022-07-14 02:24:17,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:17,163 INFO L225 Difference]: With dead ends: 12982 [2022-07-14 02:24:17,163 INFO L226 Difference]: Without dead ends: 7379 [2022-07-14 02:24:17,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:24:17,186 INFO L413 NwaCegarLoop]: 3532 mSDtfsCounter, 2409 mSDsluCounter, 4100 mSDsCounter, 0 mSdLazyCounter, 3009 mSolverCounterSat, 1607 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 7632 SdHoareTripleChecker+Invalid, 4619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1607 IncrementalHoareTripleChecker+Valid, 3009 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:17,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 7632 Invalid, 4619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1607 Valid, 3009 Invalid, 3 Unknown, 0 Unchecked, 12.7s Time] [2022-07-14 02:24:17,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7379 states. [2022-07-14 02:24:17,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7379 to 6841. [2022-07-14 02:24:17,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6841 states, 4786 states have (on average 1.26744671959883) internal successors, (6066), 4869 states have internal predecessors, (6066), 1652 states have call successors, (1652), 400 states have call predecessors, (1652), 402 states have return successors, (1710), 1626 states have call predecessors, (1710), 1652 states have call successors, (1710) [2022-07-14 02:24:17,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6841 states to 6841 states and 9428 transitions. [2022-07-14 02:24:17,474 INFO L78 Accepts]: Start accepts. Automaton has 6841 states and 9428 transitions. Word has length 334 [2022-07-14 02:24:17,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:24:17,474 INFO L495 AbstractCegarLoop]: Abstraction has 6841 states and 9428 transitions. [2022-07-14 02:24:17,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 30.4) internal successors, (152), 3 states have internal predecessors, (152), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-14 02:24:17,475 INFO L276 IsEmpty]: Start isEmpty. Operand 6841 states and 9428 transitions. [2022-07-14 02:24:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-07-14 02:24:17,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:24:17,481 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:24:17,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 02:24:17,481 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:24:17,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:24:17,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1548529047, now seen corresponding path program 1 times [2022-07-14 02:24:17,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:24:17,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646549805] [2022-07-14 02:24:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:24:17,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:24:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:24:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:24:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:24:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:24:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:24:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:24:17,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:24:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:24:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:24:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:24:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:24:17,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:24:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:24:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:24:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:24:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:24:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:24:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:24:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:24:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:24:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:24:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:24:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:24:17,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 02:24:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 02:24:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-14 02:24:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-14 02:24:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-07-14 02:24:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:24:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:24:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:24:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-14 02:24:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 02:24:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2022-07-14 02:24:17,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:24:17,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646549805] [2022-07-14 02:24:17,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646549805] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:24:17,883 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:24:17,883 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:24:17,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557656248] [2022-07-14 02:24:17,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:24:17,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:24:17,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:24:17,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:24:17,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:24:17,885 INFO L87 Difference]: Start difference. First operand 6841 states and 9428 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-14 02:24:20,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:24:23,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:25,504 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:27,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:30,712 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:33,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:35,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:37,752 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:40,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:43,641 INFO L93 Difference]: Finished difference Result 16593 states and 23152 transitions. [2022-07-14 02:24:43,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:24:43,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 331 [2022-07-14 02:24:43,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:43,689 INFO L225 Difference]: With dead ends: 16593 [2022-07-14 02:24:43,690 INFO L226 Difference]: Without dead ends: 9773 [2022-07-14 02:24:43,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 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 02:24:43,716 INFO L413 NwaCegarLoop]: 3614 mSDtfsCounter, 3031 mSDsluCounter, 3973 mSDsCounter, 0 mSdLazyCounter, 3079 mSolverCounterSat, 1786 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 7587 SdHoareTripleChecker+Invalid, 4874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1786 IncrementalHoareTripleChecker+Valid, 3079 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:43,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 7587 Invalid, 4874 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1786 Valid, 3079 Invalid, 9 Unknown, 0 Unchecked, 25.3s Time] [2022-07-14 02:24:43,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9773 states. [2022-07-14 02:24:44,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9773 to 8972. [2022-07-14 02:24:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8972 states, 6266 states have (on average 1.2661985317586977) internal successors, (7934), 6370 states have internal predecessors, (7934), 2162 states have call successors, (2162), 540 states have call predecessors, (2162), 543 states have return successors, (2247), 2129 states have call predecessors, (2247), 2162 states have call successors, (2247) [2022-07-14 02:24:44,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 12343 transitions. [2022-07-14 02:24:44,068 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 12343 transitions. Word has length 331 [2022-07-14 02:24:44,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:24:44,069 INFO L495 AbstractCegarLoop]: Abstraction has 8972 states and 12343 transitions. [2022-07-14 02:24:44,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-14 02:24:44,069 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 12343 transitions. [2022-07-14 02:24:44,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-07-14 02:24:44,077 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:24:44,077 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:44,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 02:24:44,078 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:24:44,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:24:44,078 INFO L85 PathProgramCache]: Analyzing trace with hash 515433475, now seen corresponding path program 1 times [2022-07-14 02:24:44,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:24:44,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332902171] [2022-07-14 02:24:44,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:24:44,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:24:44,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:24:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:24:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:24:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:24:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:24:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:24:44,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:24:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:24:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:24:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:24:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:24:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:24:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:24:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:24:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:24:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:24:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:24:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:24:44,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:24:44,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:24:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:24:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:24:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:24:44,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 02:24:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:24:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:24:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 02:24:44,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:24:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 02:24:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 02:24:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 02:24:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-14 02:24:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-14 02:24:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-14 02:24:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 02:24:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:24:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:24:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:24:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-14 02:24:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:24:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-14 02:24:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:24:44,710 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-07-14 02:24:44,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:24:44,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332902171] [2022-07-14 02:24:44,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332902171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:24:44,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:24:44,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:24:44,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857727311] [2022-07-14 02:24:44,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:24:44,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:24:44,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:24:44,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:24:44,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:24:44,712 INFO L87 Difference]: Start difference. First operand 8972 states and 12343 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 02:24:47,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:24:50,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:53,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:55,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:58,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:24:59,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:24:59,544 INFO L93 Difference]: Finished difference Result 20039 states and 27886 transitions. [2022-07-14 02:24:59,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:24:59,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 411 [2022-07-14 02:24:59,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:24:59,593 INFO L225 Difference]: With dead ends: 20039 [2022-07-14 02:24:59,593 INFO L226 Difference]: Without dead ends: 11088 [2022-07-14 02:24:59,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:24:59,622 INFO L413 NwaCegarLoop]: 3267 mSDtfsCounter, 2529 mSDsluCounter, 3802 mSDsCounter, 0 mSdLazyCounter, 2953 mSolverCounterSat, 1700 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2751 SdHoareTripleChecker+Valid, 7069 SdHoareTripleChecker+Invalid, 4656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1700 IncrementalHoareTripleChecker+Valid, 2953 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:24:59,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2751 Valid, 7069 Invalid, 4656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1700 Valid, 2953 Invalid, 3 Unknown, 0 Unchecked, 14.3s Time] [2022-07-14 02:24:59,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11088 states. [2022-07-14 02:24:59,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11088 to 10209. [2022-07-14 02:24:59,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10209 states, 7156 states have (on average 1.2659306875349357) internal successors, (9059), 7273 states have internal predecessors, (9059), 2435 states have call successors, (2435), 614 states have call predecessors, (2435), 617 states have return successors, (2533), 2398 states have call predecessors, (2533), 2435 states have call successors, (2533) [2022-07-14 02:25:00,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10209 states to 10209 states and 14027 transitions. [2022-07-14 02:25:00,058 INFO L78 Accepts]: Start accepts. Automaton has 10209 states and 14027 transitions. Word has length 411 [2022-07-14 02:25:00,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:00,059 INFO L495 AbstractCegarLoop]: Abstraction has 10209 states and 14027 transitions. [2022-07-14 02:25:00,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 02:25:00,060 INFO L276 IsEmpty]: Start isEmpty. Operand 10209 states and 14027 transitions. [2022-07-14 02:25:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2022-07-14 02:25:00,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:00,071 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:25:00,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 02:25:00,072 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:00,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:00,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1138715077, now seen corresponding path program 1 times [2022-07-14 02:25:00,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:25:00,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845666508] [2022-07-14 02:25:00,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:00,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:25:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:25:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:25:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:25:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:25:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:25:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:25:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:25:00,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:25:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:25:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:25:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:25:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:25:00,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:25:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:25:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:25:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:25:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:25:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:25:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:25:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:25:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:25:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:25:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:25:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 02:25:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:25:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:25:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 02:25:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:25:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 02:25:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 02:25:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 02:25:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-14 02:25:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-14 02:25:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-14 02:25:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 02:25:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:25:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:25:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:25:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-14 02:25:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-14 02:25:00,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:00,574 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2022-07-14 02:25:00,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:25:00,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845666508] [2022-07-14 02:25:00,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845666508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:00,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:00,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:25:00,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984754781] [2022-07-14 02:25:00,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:00,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:25:00,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:25:00,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:25:00,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:25:00,577 INFO L87 Difference]: Start difference. First operand 10209 states and 14027 transitions. Second operand has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 02:25:03,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:25:06,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:25:08,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:25:14,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:14,086 INFO L93 Difference]: Finished difference Result 22573 states and 31376 transitions. [2022-07-14 02:25:14,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:25:14,088 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 411 [2022-07-14 02:25:14,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:14,137 INFO L225 Difference]: With dead ends: 22573 [2022-07-14 02:25:14,138 INFO L226 Difference]: Without dead ends: 12385 [2022-07-14 02:25:14,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 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 02:25:14,169 INFO L413 NwaCegarLoop]: 3515 mSDtfsCounter, 2410 mSDsluCounter, 4082 mSDsCounter, 0 mSdLazyCounter, 3012 mSolverCounterSat, 1611 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 7597 SdHoareTripleChecker+Invalid, 4626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1611 IncrementalHoareTripleChecker+Valid, 3012 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2022-07-14 02:25:14,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 7597 Invalid, 4626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1611 Valid, 3012 Invalid, 3 Unknown, 0 Unchecked, 13.0s Time] [2022-07-14 02:25:14,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12385 states. [2022-07-14 02:25:14,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12385 to 11419. [2022-07-14 02:25:14,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11419 states, 8024 states have (on average 1.2659521435692922) internal successors, (10158), 8154 states have internal predecessors, (10158), 2706 states have call successors, (2706), 685 states have call predecessors, (2706), 688 states have return successors, (2817), 2665 states have call predecessors, (2817), 2706 states have call successors, (2817) [2022-07-14 02:25:14,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11419 states to 11419 states and 15681 transitions. [2022-07-14 02:25:14,600 INFO L78 Accepts]: Start accepts. Automaton has 11419 states and 15681 transitions. Word has length 411 [2022-07-14 02:25:14,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:14,601 INFO L495 AbstractCegarLoop]: Abstraction has 11419 states and 15681 transitions. [2022-07-14 02:25:14,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.2) internal successors, (171), 3 states have internal predecessors, (171), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 02:25:14,602 INFO L276 IsEmpty]: Start isEmpty. Operand 11419 states and 15681 transitions. [2022-07-14 02:25:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-07-14 02:25:14,610 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:14,610 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:25:14,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 02:25:14,610 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:14,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:14,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1205917150, now seen corresponding path program 1 times [2022-07-14 02:25:14,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:25:14,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019438726] [2022-07-14 02:25:14,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:14,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:25:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:25:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:25:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:25:14,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:25:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:25:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:25:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:25:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:25:14,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:25:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:25:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:25:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:25:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:25:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:25:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:25:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:25:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:25:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:25:14,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:25:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:25:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:25:14,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:25:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:25:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 02:25:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:25:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:25:14,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 02:25:14,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:25:14,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 02:25:14,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:14,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:14,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 02:25:14,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 02:25:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-14 02:25:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-14 02:25:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-14 02:25:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-14 02:25:15,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-14 02:25:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 02:25:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-14 02:25:15,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:25:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:25:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:25:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-14 02:25:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-14 02:25:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:15,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2022-07-14 02:25:15,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:25:15,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019438726] [2022-07-14 02:25:15,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019438726] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:15,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:15,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:25:15,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942437205] [2022-07-14 02:25:15,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:15,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:25:15,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:25:15,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:25:15,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:25:15,123 INFO L87 Difference]: Start difference. First operand 11419 states and 15681 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 02:25:18,680 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:25:21,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:25:23,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:25:26,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:25:31,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:25:33,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:33,862 INFO L93 Difference]: Finished difference Result 26123 states and 36315 transitions. [2022-07-14 02:25:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:25:33,863 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 455 [2022-07-14 02:25:33,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:33,976 INFO L225 Difference]: With dead ends: 26123 [2022-07-14 02:25:33,976 INFO L226 Difference]: Without dead ends: 14725 [2022-07-14 02:25:34,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-14 02:25:34,002 INFO L413 NwaCegarLoop]: 3527 mSDtfsCounter, 2791 mSDsluCounter, 8442 mSDsCounter, 0 mSdLazyCounter, 6508 mSolverCounterSat, 1784 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3052 SdHoareTripleChecker+Valid, 11969 SdHoareTripleChecker+Invalid, 8296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1784 IncrementalHoareTripleChecker+Valid, 6508 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-07-14 02:25:34,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3052 Valid, 11969 Invalid, 8296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1784 Valid, 6508 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2022-07-14 02:25:34,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14725 states. [2022-07-14 02:25:34,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14725 to 13586. [2022-07-14 02:25:34,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13586 states, 9511 states have (on average 1.264851224897487) internal successors, (12030), 9664 states have internal predecessors, (12030), 3241 states have call successors, (3241), 829 states have call predecessors, (3241), 833 states have return successors, (3388), 3194 states have call predecessors, (3388), 3241 states have call successors, (3388) [2022-07-14 02:25:34,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13586 states to 13586 states and 18659 transitions. [2022-07-14 02:25:34,438 INFO L78 Accepts]: Start accepts. Automaton has 13586 states and 18659 transitions. Word has length 455 [2022-07-14 02:25:34,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:34,439 INFO L495 AbstractCegarLoop]: Abstraction has 13586 states and 18659 transitions. [2022-07-14 02:25:34,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 02:25:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 13586 states and 18659 transitions. [2022-07-14 02:25:34,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-14 02:25:34,449 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:34,450 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:25:34,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 02:25:34,450 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:34,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:34,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1066983577, now seen corresponding path program 1 times [2022-07-14 02:25:34,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:25:34,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542232222] [2022-07-14 02:25:34,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:34,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:25:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:25:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:25:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:25:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:25:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:25:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:25:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:25:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:25:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:25:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:25:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:25:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:25:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:25:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:25:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:25:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:25:34,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:25:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:25:34,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:25:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:25:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:25:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:25:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:25:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 02:25:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:25:34,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:25:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 02:25:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:25:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 02:25:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 02:25:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 02:25:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-14 02:25:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-14 02:25:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 02:25:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-14 02:25:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-14 02:25:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-14 02:25:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-14 02:25:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:25:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:25:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:25:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-14 02:25:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-14 02:25:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:34,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2022-07-14 02:25:34,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:25:34,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542232222] [2022-07-14 02:25:34,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542232222] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:25:34,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:25:34,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:25:34,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394762485] [2022-07-14 02:25:34,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:25:34,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:25:34,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:25:34,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:25:34,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:25:34,914 INFO L87 Difference]: Start difference. First operand 13586 states and 18659 transitions. Second operand has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 02:25:38,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:25:40,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:25:42,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:25:45,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:25:47,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:25:49,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:25:52,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:25:58,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:25:58,951 INFO L93 Difference]: Finished difference Result 30558 states and 42514 transitions. [2022-07-14 02:25:58,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:25:58,952 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 453 [2022-07-14 02:25:58,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:25:59,020 INFO L225 Difference]: With dead ends: 30558 [2022-07-14 02:25:59,020 INFO L226 Difference]: Without dead ends: 16993 [2022-07-14 02:25:59,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-14 02:25:59,059 INFO L413 NwaCegarLoop]: 3627 mSDtfsCounter, 2578 mSDsluCounter, 8548 mSDsCounter, 0 mSdLazyCounter, 6714 mSolverCounterSat, 1695 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2841 SdHoareTripleChecker+Valid, 12175 SdHoareTripleChecker+Invalid, 8416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1695 IncrementalHoareTripleChecker+Valid, 6714 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2022-07-14 02:25:59,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2841 Valid, 12175 Invalid, 8416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1695 Valid, 6714 Invalid, 7 Unknown, 0 Unchecked, 23.3s Time] [2022-07-14 02:25:59,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16993 states. [2022-07-14 02:25:59,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16993 to 15674. [2022-07-14 02:25:59,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15674 states, 10961 states have (on average 1.265121795456619) internal successors, (13867), 11133 states have internal predecessors, (13867), 3745 states have call successors, (3745), 961 states have call predecessors, (3745), 967 states have return successors, (3928), 3695 states have call predecessors, (3928), 3745 states have call successors, (3928) [2022-07-14 02:25:59,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15674 states to 15674 states and 21540 transitions. [2022-07-14 02:25:59,700 INFO L78 Accepts]: Start accepts. Automaton has 15674 states and 21540 transitions. Word has length 453 [2022-07-14 02:25:59,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:25:59,701 INFO L495 AbstractCegarLoop]: Abstraction has 15674 states and 21540 transitions. [2022-07-14 02:25:59,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.571428571428573) internal successors, (179), 4 states have internal predecessors, (179), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 02:25:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 15674 states and 21540 transitions. [2022-07-14 02:25:59,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-07-14 02:25:59,709 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:25:59,709 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:25:59,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 02:25:59,709 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:25:59,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:25:59,710 INFO L85 PathProgramCache]: Analyzing trace with hash 492399477, now seen corresponding path program 1 times [2022-07-14 02:25:59,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:25:59,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424833559] [2022-07-14 02:25:59,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:25:59,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:25:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:59,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:25:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:59,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:59,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:25:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:59,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:59,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:25:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:25:59,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:25:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:26:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:26:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:26:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:26:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:26:00,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:26:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:26:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:26:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:26:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:26:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:26:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:26:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:26:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:26:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:26:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:00,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:26:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 02:26:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:26:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:26:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 02:26:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:26:00,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 02:26:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 02:26:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 02:26:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-14 02:26:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-14 02:26:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-14 02:26:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-14 02:26:00,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-14 02:26:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-14 02:26:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-14 02:26:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:26:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-14 02:26:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-14 02:26:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:00,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2022-07-14 02:26:00,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:26:00,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424833559] [2022-07-14 02:26:00,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424833559] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:00,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:00,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 02:26:00,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496904439] [2022-07-14 02:26:00,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:00,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 02:26:00,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:26:00,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 02:26:00,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-14 02:26:00,186 INFO L87 Difference]: Start difference. First operand 15674 states and 21540 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 02:26:03,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:26:05,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:26:07,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:26:10,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:16,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:26:19,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:21,421 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:23,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:26,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:28,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:32,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:26:32,499 INFO L93 Difference]: Finished difference Result 33951 states and 47214 transitions. [2022-07-14 02:26:32,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-14 02:26:32,500 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 454 [2022-07-14 02:26:32,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:26:32,564 INFO L225 Difference]: With dead ends: 33951 [2022-07-14 02:26:32,564 INFO L226 Difference]: Without dead ends: 18298 [2022-07-14 02:26:32,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-14 02:26:32,600 INFO L413 NwaCegarLoop]: 3552 mSDtfsCounter, 2406 mSDsluCounter, 8527 mSDsCounter, 0 mSdLazyCounter, 6563 mSolverCounterSat, 1601 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2615 SdHoareTripleChecker+Valid, 12079 SdHoareTripleChecker+Invalid, 8174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1601 IncrementalHoareTripleChecker+Valid, 6563 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.5s IncrementalHoareTripleChecker+Time [2022-07-14 02:26:32,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2615 Valid, 12079 Invalid, 8174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1601 Valid, 6563 Invalid, 10 Unknown, 0 Unchecked, 31.5s Time] [2022-07-14 02:26:32,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18298 states. [2022-07-14 02:26:33,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18298 to 16882. [2022-07-14 02:26:33,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16882 states, 11826 states have (on average 1.265262979874852) internal successors, (14963), 12011 states have internal predecessors, (14963), 4017 states have call successors, (4017), 1032 states have call predecessors, (4017), 1038 states have return successors, (4200), 3963 states have call predecessors, (4200), 4017 states have call successors, (4200) [2022-07-14 02:26:33,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16882 states to 16882 states and 23180 transitions. [2022-07-14 02:26:33,243 INFO L78 Accepts]: Start accepts. Automaton has 16882 states and 23180 transitions. Word has length 454 [2022-07-14 02:26:33,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:26:33,244 INFO L495 AbstractCegarLoop]: Abstraction has 16882 states and 23180 transitions. [2022-07-14 02:26:33,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 02:26:33,245 INFO L276 IsEmpty]: Start isEmpty. Operand 16882 states and 23180 transitions. [2022-07-14 02:26:33,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2022-07-14 02:26:33,258 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:33,258 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:26:33,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 02:26:33,259 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:33,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:33,259 INFO L85 PathProgramCache]: Analyzing trace with hash -198209344, now seen corresponding path program 1 times [2022-07-14 02:26:33,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:26:33,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529045685] [2022-07-14 02:26:33,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:33,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:26:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:26:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:26:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:26:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:26:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:26:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:26:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:26:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:26:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:26:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:26:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:26:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:26:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:26:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:26:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:26:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:26:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:26:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 02:26:33,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:26:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:26:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 02:26:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:26:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 02:26:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 02:26:33,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 02:26:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-14 02:26:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-14 02:26:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-14 02:26:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-14 02:26:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-14 02:26:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-14 02:26:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-14 02:26:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2022-07-14 02:26:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:26:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-14 02:26:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-14 02:26:33,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:33,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2022-07-14 02:26:33,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:26:33,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529045685] [2022-07-14 02:26:33,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529045685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:33,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:33,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 02:26:33,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972708492] [2022-07-14 02:26:33,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:33,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 02:26:33,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:26:33,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 02:26:33,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 02:26:33,733 INFO L87 Difference]: Start difference. First operand 16882 states and 23180 transitions. Second operand has 5 states, 5 states have (on average 36.4) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 02:26:36,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:26:39,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:42,683 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:45,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:26:51,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 02:26:51,013 INFO L93 Difference]: Finished difference Result 37038 states and 51460 transitions. [2022-07-14 02:26:51,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 02:26:51,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 469 [2022-07-14 02:26:51,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 02:26:51,111 INFO L225 Difference]: With dead ends: 37038 [2022-07-14 02:26:51,111 INFO L226 Difference]: Without dead ends: 20177 [2022-07-14 02:26:51,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 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 02:26:51,158 INFO L413 NwaCegarLoop]: 3707 mSDtfsCounter, 2565 mSDsluCounter, 4210 mSDsCounter, 0 mSdLazyCounter, 3103 mSolverCounterSat, 1682 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 7917 SdHoareTripleChecker+Invalid, 4789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1682 IncrementalHoareTripleChecker+Valid, 3103 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-14 02:26:51,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2827 Valid, 7917 Invalid, 4789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1682 Valid, 3103 Invalid, 4 Unknown, 0 Unchecked, 16.4s Time] [2022-07-14 02:26:51,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20177 states. [2022-07-14 02:26:51,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20177 to 18651. [2022-07-14 02:26:51,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18651 states, 13051 states have (on average 1.2647306719791587) internal successors, (16506), 13259 states have internal predecessors, (16506), 4441 states have call successors, (4441), 1152 states have call predecessors, (4441), 1158 states have return successors, (4648), 4380 states have call predecessors, (4648), 4441 states have call successors, (4648) [2022-07-14 02:26:51,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18651 states to 18651 states and 25595 transitions. [2022-07-14 02:26:51,848 INFO L78 Accepts]: Start accepts. Automaton has 18651 states and 25595 transitions. Word has length 469 [2022-07-14 02:26:51,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 02:26:51,849 INFO L495 AbstractCegarLoop]: Abstraction has 18651 states and 25595 transitions. [2022-07-14 02:26:51,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-07-14 02:26:51,850 INFO L276 IsEmpty]: Start isEmpty. Operand 18651 states and 25595 transitions. [2022-07-14 02:26:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2022-07-14 02:26:51,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 02:26:51,858 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 02:26:51,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-14 02:26:51,858 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 02:26:51,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 02:26:51,859 INFO L85 PathProgramCache]: Analyzing trace with hash 908815197, now seen corresponding path program 1 times [2022-07-14 02:26:51,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 02:26:51,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773904775] [2022-07-14 02:26:51,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 02:26:51,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 02:26:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 02:26:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 02:26:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 02:26:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 02:26:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 02:26:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 02:26:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 02:26:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-14 02:26:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-14 02:26:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 02:26:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-14 02:26:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-14 02:26:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-14 02:26:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 02:26:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-14 02:26:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-14 02:26:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2022-07-14 02:26:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-14 02:26:52,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 02:26:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-14 02:26:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-14 02:26:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-14 02:26:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-14 02:26:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-14 02:26:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-14 02:26:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 02:26:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-14 02:26:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-14 02:26:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-14 02:26:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-14 02:26:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-14 02:26:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-14 02:26:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 02:26:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 02:26:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-14 02:26:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 02:26:52,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-14 02:26:52,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-14 02:26:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-14 02:26:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-14 02:26:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-14 02:26:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-14 02:26:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-14 02:26:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-14 02:26:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 02:26:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-14 02:26:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 02:26:52,525 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2022-07-14 02:26:52,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 02:26:52,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773904775] [2022-07-14 02:26:52,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773904775] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 02:26:52,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 02:26:52,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-14 02:26:52,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228860346] [2022-07-14 02:26:52,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 02:26:52,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-14 02:26:52,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 02:26:52,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-14 02:26:52,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-14 02:26:52,528 INFO L87 Difference]: Start difference. First operand 18651 states and 25595 transitions. Second operand has 9 states, 8 states have (on average 20.5) internal successors, (164), 5 states have internal predecessors, (164), 4 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2022-07-14 02:26:56,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-14 02:26:59,357 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:27:01,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 02:27:04,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []