./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 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_linux-alloc-spinlock_drivers-net-wireless-airo.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 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 11:53:47,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 11:53:47,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 11:53:47,688 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 11:53:47,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 11:53:47,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 11:53:47,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 11:53:47,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 11:53:47,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 11:53:47,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 11:53:47,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 11:53:47,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 11:53:47,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 11:53:47,704 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 11:53:47,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 11:53:47,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 11:53:47,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 11:53:47,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 11:53:47,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 11:53:47,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 11:53:47,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 11:53:47,722 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 11:53:47,723 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 11:53:47,723 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 11:53:47,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 11:53:47,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 11:53:47,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 11:53:47,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 11:53:47,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 11:53:47,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 11:53:47,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 11:53:47,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 11:53:47,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 11:53:47,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 11:53:47,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 11:53:47,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 11:53:47,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 11:53:47,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 11:53:47,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 11:53:47,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 11:53:47,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 11:53:47,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 11:53:47,755 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 11:53:47,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 11:53:47,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 11:53:47,757 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 11:53:47,759 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 11:53:47,759 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 11:53:47,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 11:53:47,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 11:53:47,760 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 11:53:47,760 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 11:53:47,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 11:53:47,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 11:53:47,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 11:53:47,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 11:53:47,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 11:53:47,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 11:53:47,762 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 11:53:47,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 11:53:47,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 11:53:47,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 11:53:47,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 11:53:47,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:53:47,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 11:53:47,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 11:53:47,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 11:53:47,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 11:53:47,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 11:53:47,765 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 11:53:47,765 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 11:53:47,765 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 11:53:47,765 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 11:53:47,765 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9789c22f1acead950cb163d22009ea344d73c9a0f8ae77daeccb7434797598c4 [2021-12-18 11:53:47,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 11:53:48,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 11:53:48,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 11:53:48,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 11:53:48,007 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 11:53:48,008 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-12-18 11:53:48,072 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f19e9754/dcf719baccf940e4ab164a04d7a51887/FLAG895d2e35b [2021-12-18 11:53:48,856 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 11:53:48,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-12-18 11:53:48,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f19e9754/dcf719baccf940e4ab164a04d7a51887/FLAG895d2e35b [2021-12-18 11:53:49,367 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f19e9754/dcf719baccf940e4ab164a04d7a51887 [2021-12-18 11:53:49,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 11:53:49,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 11:53:49,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 11:53:49,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 11:53:49,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 11:53:49,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:53:49" (1/1) ... [2021-12-18 11:53:49,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21880c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:49, skipping insertion in model container [2021-12-18 11:53:49,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 11:53:49" (1/1) ... [2021-12-18 11:53:49,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 11:53:49,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 11:53:53,205 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_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-12-18 11:53:53,208 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_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-12-18 11:53:53,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:53:53,272 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 11:53:53,707 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_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621151,621164] [2021-12-18 11:53:53,708 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_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i[621296,621309] [2021-12-18 11:53:53,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 11:53:53,913 INFO L208 MainTranslator]: Completed translation [2021-12-18 11:53:53,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53 WrapperNode [2021-12-18 11:53:53,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 11:53:53,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 11:53:53,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 11:53:53,915 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 11:53:53,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,308 INFO L137 Inliner]: procedures = 696, calls = 6946, calls flagged for inlining = 319, calls inlined = 300, statements flattened = 13635 [2021-12-18 11:53:54,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 11:53:54,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 11:53:54,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 11:53:54,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 11:53:54,316 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,755 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 11:53:54,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 11:53:54,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 11:53:54,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 11:53:54,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (1/1) ... [2021-12-18 11:53:54,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 11:53:54,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 11:53:54,829 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) [2021-12-18 11:53:54,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 11:53:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_writerid [2021-12-18 11:53:54,913 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_writerid [2021-12-18 11:53:54,913 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2021-12-18 11:53:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2021-12-18 11:53:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-18 11:53:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure readStatusRid [2021-12-18 11:53:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatusRid [2021-12-18 11:53:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-18 11:53:54,914 INFO L130 BoogieDeclarations]: Found specification of procedure reset_airo_card [2021-12-18 11:53:54,914 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_airo_card [2021-12-18 11:53:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-12-18 11:53:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-12-18 11:53:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_crt [2021-12-18 11:53:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_crt [2021-12-18 11:53:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 11:53:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 11:53:54,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_85 [2021-12-18 11:53:54,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_85 [2021-12-18 11:53:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure wifi_setup [2021-12-18 11:53:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wifi_setup [2021-12-18 11:53:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 11:53:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 11:53:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 11:53:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 11:53:54,916 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_spy_update [2021-12-18 11:53:54,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_spy_update [2021-12-18 11:53:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure age_mic_context [2021-12-18 11:53:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure age_mic_context [2021-12-18 11:53:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure setup_card [2021-12-18 11:53:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_card [2021-12-18 11:53:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure airo_networks_free [2021-12-18 11:53:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_networks_free [2021-12-18 11:53:54,917 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-12-18 11:53:54,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-12-18 11:53:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2021-12-18 11:53:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2021-12-18 11:53:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 11:53:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 11:53:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure airo_close [2021-12-18 11:53:54,918 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_close [2021-12-18 11:53:54,918 INFO L130 BoogieDeclarations]: Found specification of procedure get_tx_error [2021-12-18 11:53:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure get_tx_error [2021-12-18 11:53:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure sniffing_mode [2021-12-18 11:53:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure sniffing_mode [2021-12-18 11:53:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 11:53:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 11:53:54,919 INFO L130 BoogieDeclarations]: Found specification of procedure header_len [2021-12-18 11:53:54,919 INFO L138 BoogieDeclarations]: Found implementation of procedure header_len [2021-12-18 11:53:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2021-12-18 11:53:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2021-12-18 11:53:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-12-18 11:53:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-12-18 11:53:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2021-12-18 11:53:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2021-12-18 11:53:54,920 INFO L130 BoogieDeclarations]: Found specification of procedure readSsidRid [2021-12-18 11:53:54,920 INFO L138 BoogieDeclarations]: Found implementation of procedure readSsidRid [2021-12-18 11:53:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 11:53:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_final [2021-12-18 11:53:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_final [2021-12-18 11:53:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 11:53:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 11:53:54,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 11:53:54,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 11:53:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2021-12-18 11:53:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2021-12-18 11:53:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure down_trylock [2021-12-18 11:53:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure down_trylock [2021-12-18 11:53:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-18 11:53:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-18 11:53:54,922 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 11:53:54,922 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 11:53:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 11:53:54,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 11:53:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure enable_MAC [2021-12-18 11:53:54,923 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_MAC [2021-12-18 11:53:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure OUT4500 [2021-12-18 11:53:54,923 INFO L138 BoogieDeclarations]: Found implementation of procedure OUT4500 [2021-12-18 11:53:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 11:53:54,923 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 11:53:54,924 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 11:53:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_send_packet [2021-12-18 11:53:54,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_send_packet [2021-12-18 11:53:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2021-12-18 11:53:54,924 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2021-12-18 11:53:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-18 11:53:54,924 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-18 11:53:54,924 INFO L130 BoogieDeclarations]: Found specification of procedure airo_ioctl [2021-12-18 11:53:54,925 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_ioctl [2021-12-18 11:53:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-18 11:53:54,925 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-18 11:53:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-18 11:53:54,925 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-18 11:53:54,925 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 11:53:54,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 11:53:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit11 [2021-12-18 11:53:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit11 [2021-12-18 11:53:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-12-18 11:53:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-12-18 11:53:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure airo_change_mtu [2021-12-18 11:53:54,926 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_change_mtu [2021-12-18 11:53:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 11:53:54,926 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 11:53:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 11:53:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure disable_interrupts [2021-12-18 11:53:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_interrupts [2021-12-18 11:53:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 11:53:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 11:53:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 11:53:54,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 11:53:54,927 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 11:53:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 11:53:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure down_interruptible [2021-12-18 11:53:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure down_interruptible [2021-12-18 11:53:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 11:53:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 11:53:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 11:53:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 11:53:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_remove [2021-12-18 11:53:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_remove [2021-12-18 11:53:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure aux_setup [2021-12-18 11:53:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure aux_setup [2021-12-18 11:53:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 11:53:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 11:53:54,929 INFO L130 BoogieDeclarations]: Found specification of procedure writeConfigRid [2021-12-18 11:53:54,929 INFO L138 BoogieDeclarations]: Found implementation of procedure writeConfigRid [2021-12-18 11:53:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 11:53:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 11:53:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 11:53:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 11:53:54,930 INFO L130 BoogieDeclarations]: Found specification of procedure readCapabilityRid [2021-12-18 11:53:54,930 INFO L138 BoogieDeclarations]: Found implementation of procedure readCapabilityRid [2021-12-18 11:53:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2021-12-18 11:53:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2021-12-18 11:53:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-12-18 11:53:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-12-18 11:53:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 11:53:54,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 11:53:54,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 11:53:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 11:53:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-12-18 11:53:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-12-18 11:53:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-18 11:53:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-18 11:53:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 11:53:54,932 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 11:53:54,932 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 11:53:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 11:53:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-18 11:53:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-18 11:53:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure writeWepKeyRid [2021-12-18 11:53:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure writeWepKeyRid [2021-12-18 11:53:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2021-12-18 11:53:54,933 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2021-12-18 11:53:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 11:53:54,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-12-18 11:53:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2021-12-18 11:53:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-12-18 11:53:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-12-18 11:53:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure del_airo_dev [2021-12-18 11:53:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure del_airo_dev [2021-12-18 11:53:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 11:53:54,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 11:53:54,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 11:53:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 11:53:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 11:53:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 11:53:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure writeSsidRid [2021-12-18 11:53:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure writeSsidRid [2021-12-18 11:53:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 11:53:54,935 INFO L130 BoogieDeclarations]: Found specification of procedure MoveWindow [2021-12-18 11:53:54,935 INFO L138 BoogieDeclarations]: Found implementation of procedure MoveWindow [2021-12-18 11:53:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2021-12-18 11:53:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2021-12-18 11:53:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:53:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 11:53:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-18 11:53:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-18 11:53:54,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 11:53:54,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 11:53:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 11:53:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 11:53:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure crypto_cipher_tfm [2021-12-18 11:53:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure crypto_cipher_tfm [2021-12-18 11:53:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-12-18 11:53:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-12-18 11:53:54,937 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 11:53:54,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 11:53:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure proc_close [2021-12-18 11:53:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_close [2021-12-18 11:53:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 11:53:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 11:53:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_multicast_list [2021-12-18 11:53:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_multicast_list [2021-12-18 11:53:54,938 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 11:53:54,938 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 11:53:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 11:53:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 11:53:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_key [2021-12-18 11:53:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_key [2021-12-18 11:53:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure writeAPListRid [2021-12-18 11:53:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure writeAPListRid [2021-12-18 11:53:54,939 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 11:53:54,939 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 11:53:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure freezing [2021-12-18 11:53:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure freezing [2021-12-18 11:53:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 11:53:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 11:53:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure proc_stats_rid_open [2021-12-18 11:53:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_stats_rid_open [2021-12-18 11:53:54,940 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 11:53:54,940 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 11:53:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2021-12-18 11:53:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2021-12-18 11:53:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 11:53:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 11:53:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2021-12-18 11:53:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2021-12-18 11:53:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 11:53:54,941 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 11:53:54,941 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 11:53:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 11:53:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure __kuid_val [2021-12-18 11:53:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __kuid_val [2021-12-18 11:53:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure IN4500 [2021-12-18 11:53:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure IN4500 [2021-12-18 11:53:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-12-18 11:53:54,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-12-18 11:53:54,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 11:53:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 11:53:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 11:53:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 11:53:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-12-18 11:53:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_aux_lock_of_airo_info [2021-12-18 11:53:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2021-12-18 11:53:54,943 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2021-12-18 11:53:54,943 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 11:53:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 11:53:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure bap_write [2021-12-18 11:53:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_write [2021-12-18 11:53:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure _init_airo_card [2021-12-18 11:53:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure _init_airo_card [2021-12-18 11:53:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure waitbusy [2021-12-18 11:53:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure waitbusy [2021-12-18 11:53:54,944 INFO L130 BoogieDeclarations]: Found specification of procedure decapsulate [2021-12-18 11:53:54,944 INFO L138 BoogieDeclarations]: Found implementation of procedure decapsulate [2021-12-18 11:53:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-12-18 11:53:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-12-18 11:53:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir_mode [2021-12-18 11:53:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir_mode [2021-12-18 11:53:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 11:53:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 11:53:54,945 INFO L130 BoogieDeclarations]: Found specification of procedure readBSSListRid [2021-12-18 11:53:54,945 INFO L138 BoogieDeclarations]: Found implementation of procedure readBSSListRid [2021-12-18 11:53:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 11:53:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 11:53:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2021-12-18 11:53:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2021-12-18 11:53:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-18 11:53:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-18 11:53:54,946 INFO L130 BoogieDeclarations]: Found specification of procedure set_wep_tx_idx [2021-12-18 11:53:54,946 INFO L138 BoogieDeclarations]: Found implementation of procedure set_wep_tx_idx [2021-12-18 11:53:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 11:53:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 11:53:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 11:53:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 11:53:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 11:53:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure proc_write [2021-12-18 11:53:54,947 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_write [2021-12-18 11:53:54,947 INFO L130 BoogieDeclarations]: Found specification of procedure up [2021-12-18 11:53:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure up [2021-12-18 11:53:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 11:53:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-18 11:53:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-18 11:53:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_subtree [2021-12-18 11:53:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_subtree [2021-12-18 11:53:54,948 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_allocate [2021-12-18 11:53:54,948 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_allocate [2021-12-18 11:53:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 11:53:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 11:53:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure proc_read [2021-12-18 11:53:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_read [2021-12-18 11:53:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 11:53:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-18 11:53:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 11:53:54,949 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-18 11:53:54,949 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-18 11:53:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_accessrid [2021-12-18 11:53:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_accessrid [2021-12-18 11:53:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure airo_send_event [2021-12-18 11:53:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_send_event [2021-12-18 11:53:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 11:53:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 11:53:54,950 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 11:53:54,950 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 11:53:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure airo_pci_resume [2021-12-18 11:53:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_pci_resume [2021-12-18 11:53:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-18 11:53:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-18 11:53:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 11:53:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 11:53:54,951 INFO L130 BoogieDeclarations]: Found specification of procedure hex_to_bin [2021-12-18 11:53:54,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hex_to_bin [2021-12-18 11:53:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure try_auto_wep [2021-12-18 11:53:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure try_auto_wep [2021-12-18 11:53:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 11:53:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 11:53:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-18 11:53:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-18 11:53:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure bap_read [2021-12-18 11:53:54,952 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_read [2021-12-18 11:53:54,952 INFO L130 BoogieDeclarations]: Found specification of procedure issuecommand [2021-12-18 11:53:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure issuecommand [2021-12-18 11:53:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-18 11:53:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-18 11:53:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure bap_setup [2021-12-18 11:53:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bap_setup [2021-12-18 11:53:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure readAPListRid [2021-12-18 11:53:54,953 INFO L138 BoogieDeclarations]: Found implementation of procedure readAPListRid [2021-12-18 11:53:54,953 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 11:53:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 11:53:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 11:53:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 11:53:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_stats [2021-12-18 11:53:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_stats [2021-12-18 11:53:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure airo_end_xmit [2021-12-18 11:53:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_end_xmit [2021-12-18 11:53:54,954 INFO L130 BoogieDeclarations]: Found specification of procedure readConfigRid [2021-12-18 11:53:54,954 INFO L138 BoogieDeclarations]: Found implementation of procedure readConfigRid [2021-12-18 11:53:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 11:53:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 11:53:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-18 11:53:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-18 11:53:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 11:53:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 11:53:54,955 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-12-18 11:53:54,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-12-18 11:53:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure airo_open [2021-12-18 11:53:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_open [2021-12-18 11:53:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 11:53:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure stop_airo_card [2021-12-18 11:53:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_airo_card [2021-12-18 11:53:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_update [2021-12-18 11:53:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_update [2021-12-18 11:53:54,956 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2021-12-18 11:53:54,956 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2021-12-18 11:53:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-18 11:53:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-18 11:53:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 11:53:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 11:53:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure readWepKeyRid [2021-12-18 11:53:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure readWepKeyRid [2021-12-18 11:53:54,957 INFO L130 BoogieDeclarations]: Found specification of procedure __kgid_val [2021-12-18 11:53:54,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __kgid_val [2021-12-18 11:53:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_unmap_card [2021-12-18 11:53:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_unmap_card [2021-12-18 11:53:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 11:53:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 11:53:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 11:53:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 11:53:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure proc_set_user [2021-12-18 11:53:54,958 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_set_user [2021-12-18 11:53:54,958 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-18 11:53:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-18 11:53:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-12-18 11:53:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-12-18 11:53:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 11:53:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 11:53:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure airo_get_stats [2021-12-18 11:53:54,959 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_get_stats [2021-12-18 11:53:54,959 INFO L130 BoogieDeclarations]: Found specification of procedure PC4500_readrid [2021-12-18 11:53:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure PC4500_readrid [2021-12-18 11:53:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 11:53:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 11:53:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure mpi_init_descriptors [2021-12-18 11:53:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure mpi_init_descriptors [2021-12-18 11:53:54,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_dec_u16 [2021-12-18 11:53:54,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dec_u16 [2021-12-18 11:53:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure enable_interrupts [2021-12-18 11:53:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_interrupts [2021-12-18 11:53:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-18 11:53:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-18 11:53:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure airo_read_wireless_stats [2021-12-18 11:53:54,961 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_read_wireless_stats [2021-12-18 11:53:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 11:53:54,961 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2021-12-18 11:53:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2021-12-18 11:53:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-12-18 11:53:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-12-18 11:53:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_mac_address [2021-12-18 11:53:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_mac_address [2021-12-18 11:53:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 11:53:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 11:53:54,962 INFO L130 BoogieDeclarations]: Found specification of procedure emmh32_init [2021-12-18 11:53:54,962 INFO L138 BoogieDeclarations]: Found implementation of procedure emmh32_init [2021-12-18 11:53:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-18 11:53:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-18 11:53:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure disable_MAC [2021-12-18 11:53:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_MAC [2021-12-18 11:53:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure readStatsRid [2021-12-18 11:53:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure readStatsRid [2021-12-18 11:53:54,963 INFO L130 BoogieDeclarations]: Found specification of procedure encapsulate [2021-12-18 11:53:54,963 INFO L138 BoogieDeclarations]: Found implementation of procedure encapsulate [2021-12-18 11:53:54,964 INFO L130 BoogieDeclarations]: Found specification of procedure airo_set_promisc [2021-12-18 11:53:54,964 INFO L138 BoogieDeclarations]: Found implementation of procedure airo_set_promisc [2021-12-18 11:53:56,098 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 11:53:56,102 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 11:53:56,359 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 11:54:36,772 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 11:54:36,793 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 11:54:36,803 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-12-18 11:54:36,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:54:36 BoogieIcfgContainer [2021-12-18 11:54:36,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 11:54:36,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 11:54:36,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 11:54:36,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 11:54:36,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 11:53:49" (1/3) ... [2021-12-18 11:54:36,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1679b8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:54:36, skipping insertion in model container [2021-12-18 11:54:36,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 11:53:53" (2/3) ... [2021-12-18 11:54:36,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1679b8a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 11:54:36, skipping insertion in model container [2021-12-18 11:54:36,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 11:54:36" (3/3) ... [2021-12-18 11:54:36,812 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-wireless-airo.cil.i [2021-12-18 11:54:36,815 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 11:54:36,815 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 11:54:36,862 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 11:54:36,866 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 11:54:36,866 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 11:54:36,930 INFO L276 IsEmpty]: Start isEmpty. Operand has 4459 states, 2940 states have (on average 1.3170068027210884) internal successors, (3872), 3105 states have internal predecessors, (3872), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) [2021-12-18 11:54:36,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-18 11:54:36,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:54:36,943 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-18 11:54:36,943 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:54:36,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:54:36,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1004962571, now seen corresponding path program 1 times [2021-12-18 11:54:36,952 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:54:36,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55715084] [2021-12-18 11:54:36,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:54:36,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:54:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:37,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:54:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:37,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:54:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:54:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:37,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:54:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:37,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:54:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:54:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:37,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:54:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:37,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:54:37,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:54:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 11:54:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 11:54:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 11:54:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 11:54:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:54:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:54:38,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 11:54:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:54:38,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:54:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 11:54:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:54:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 11:54:38,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 11:54:38,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 11:54:38,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:54:38,212 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-18 11:54:38,213 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:54:38,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55715084] [2021-12-18 11:54:38,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55715084] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:54:38,213 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:54:38,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 11:54:38,215 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068382393] [2021-12-18 11:54:38,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:54:38,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 11:54:38,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:54:38,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 11:54:38,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 11:54:38,258 INFO L87 Difference]: Start difference. First operand has 4459 states, 2940 states have (on average 1.3170068027210884) internal successors, (3872), 3105 states have internal predecessors, (3872), 1327 states have call successors, (1327), 192 states have call predecessors, (1327), 191 states have return successors, (1314), 1251 states have call predecessors, (1314), 1314 states have call successors, (1314) Second operand has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 11:54:41,200 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 [] [2021-12-18 11:54:50,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:54:53,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:55:08,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:55:08,696 INFO L93 Difference]: Finished difference Result 9061 states and 13649 transitions. [2021-12-18 11:55:08,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:55:08,700 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 163 [2021-12-18 11:55:08,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:55:08,749 INFO L225 Difference]: With dead ends: 9061 [2021-12-18 11:55:08,750 INFO L226 Difference]: Without dead ends: 4561 [2021-12-18 11:55:08,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-12-18 11:55:08,783 INFO L933 BasicCegarLoop]: 6187 mSDtfsCounter, 6904 mSDsluCounter, 6492 mSDsCounter, 0 mSdLazyCounter, 4961 mSolverCounterSat, 3550 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7804 SdHoareTripleChecker+Valid, 12679 SdHoareTripleChecker+Invalid, 8513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3550 IncrementalHoareTripleChecker+Valid, 4961 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.3s IncrementalHoareTripleChecker+Time [2021-12-18 11:55:08,786 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7804 Valid, 12679 Invalid, 8513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3550 Valid, 4961 Invalid, 2 Unknown, 0 Unchecked, 29.3s Time] [2021-12-18 11:55:08,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4561 states. [2021-12-18 11:55:09,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4561 to 4357. [2021-12-18 11:55:09,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4357 states, 2887 states have (on average 1.3100103914097678) internal successors, (3782), 3038 states have internal predecessors, (3782), 1279 states have call successors, (1279), 190 states have call predecessors, (1279), 190 states have return successors, (1279), 1217 states have call predecessors, (1279), 1279 states have call successors, (1279) [2021-12-18 11:55:09,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4357 states to 4357 states and 6340 transitions. [2021-12-18 11:55:09,046 INFO L78 Accepts]: Start accepts. Automaton has 4357 states and 6340 transitions. Word has length 163 [2021-12-18 11:55:09,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:55:09,050 INFO L470 AbstractCegarLoop]: Abstraction has 4357 states and 6340 transitions. [2021-12-18 11:55:09,050 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.666666666666666) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 11:55:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 4357 states and 6340 transitions. [2021-12-18 11:55:09,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-18 11:55:09,057 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:55:09,057 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 11:55:09,057 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 11:55:09,058 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:55:09,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:55:09,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1619694501, now seen corresponding path program 1 times [2021-12-18 11:55:09,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:55:09,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353062557] [2021-12-18 11:55:09,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:55:09,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:55:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:55:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:55:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:09,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:55:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 11:55:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 11:55:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 11:55:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 11:55:09,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 11:55:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 11:55:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 11:55:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 11:55:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:55:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 11:55:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:55:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 11:55:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:09,697 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 11:55:09,697 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:55:09,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353062557] [2021-12-18 11:55:09,697 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353062557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:55:09,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:55:09,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 11:55:09,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823094215] [2021-12-18 11:55:09,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:55:09,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 11:55:09,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:55:09,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 11:55:09,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:55:09,700 INFO L87 Difference]: Start difference. First operand 4357 states and 6340 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 11:55:12,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:55:14,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:55:21,719 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:55:26,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:55:29,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:55:32,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:55:36,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:55:53,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:55:53,569 INFO L93 Difference]: Finished difference Result 7169 states and 10681 transitions. [2021-12-18 11:55:53,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:55:53,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 197 [2021-12-18 11:55:53,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:55:53,663 INFO L225 Difference]: With dead ends: 7169 [2021-12-18 11:55:53,664 INFO L226 Difference]: Without dead ends: 5261 [2021-12-18 11:55:53,694 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-18 11:55:53,699 INFO L933 BasicCegarLoop]: 7122 mSDtfsCounter, 1659 mSDsluCounter, 12264 mSDsCounter, 0 mSdLazyCounter, 4591 mSolverCounterSat, 1376 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2235 SdHoareTripleChecker+Valid, 19386 SdHoareTripleChecker+Invalid, 5974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1376 IncrementalHoareTripleChecker+Valid, 4591 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.2s IncrementalHoareTripleChecker+Time [2021-12-18 11:55:53,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2235 Valid, 19386 Invalid, 5974 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1376 Valid, 4591 Invalid, 7 Unknown, 0 Unchecked, 43.2s Time] [2021-12-18 11:55:53,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5261 states. [2021-12-18 11:55:53,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5261 to 4358. [2021-12-18 11:55:53,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4358 states, 2888 states have (on average 1.3099030470914128) internal successors, (3783), 3039 states have internal predecessors, (3783), 1279 states have call successors, (1279), 190 states have call predecessors, (1279), 190 states have return successors, (1279), 1217 states have call predecessors, (1279), 1279 states have call successors, (1279) [2021-12-18 11:55:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4358 states to 4358 states and 6341 transitions. [2021-12-18 11:55:53,863 INFO L78 Accepts]: Start accepts. Automaton has 4358 states and 6341 transitions. Word has length 197 [2021-12-18 11:55:53,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:55:53,863 INFO L470 AbstractCegarLoop]: Abstraction has 4358 states and 6341 transitions. [2021-12-18 11:55:53,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 11:55:53,864 INFO L276 IsEmpty]: Start isEmpty. Operand 4358 states and 6341 transitions. [2021-12-18 11:55:53,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-18 11:55:53,866 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:55:53,867 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 11:55:53,867 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 11:55:53,867 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:55:53,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:55:53,867 INFO L85 PathProgramCache]: Analyzing trace with hash 2037583203, now seen corresponding path program 1 times [2021-12-18 11:55:53,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:55:53,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276865646] [2021-12-18 11:55:53,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:55:53,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:55:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:55:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:55:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:55:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 11:55:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 11:55:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 11:55:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 11:55:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 11:55:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 11:55:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 11:55:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 11:55:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:55:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:55:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:55:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 11:55:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:55:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:55:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 11:55:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:55:54,901 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 11:55:54,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:55:54,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276865646] [2021-12-18 11:55:54,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276865646] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:55:54,902 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:55:54,902 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 11:55:54,902 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30109869] [2021-12-18 11:55:54,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:55:54,903 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 11:55:54,903 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:55:54,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 11:55:54,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:55:54,903 INFO L87 Difference]: Start difference. First operand 4358 states and 6341 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 11:55:57,921 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 [] [2021-12-18 11:56:07,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:56:11,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:56:31,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:56:31,682 INFO L93 Difference]: Finished difference Result 9038 states and 13355 transitions. [2021-12-18 11:56:31,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 11:56:31,682 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 197 [2021-12-18 11:56:31,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:56:31,716 INFO L225 Difference]: With dead ends: 9038 [2021-12-18 11:56:31,717 INFO L226 Difference]: Without dead ends: 4722 [2021-12-18 11:56:31,744 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:56:31,746 INFO L933 BasicCegarLoop]: 6101 mSDtfsCounter, 9216 mSDsluCounter, 6580 mSDsCounter, 0 mSdLazyCounter, 5271 mSolverCounterSat, 8766 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9249 SdHoareTripleChecker+Valid, 12681 SdHoareTripleChecker+Invalid, 14040 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8766 IncrementalHoareTripleChecker+Valid, 5271 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.8s IncrementalHoareTripleChecker+Time [2021-12-18 11:56:31,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9249 Valid, 12681 Invalid, 14040 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8766 Valid, 5271 Invalid, 3 Unknown, 0 Unchecked, 35.8s Time] [2021-12-18 11:56:31,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4722 states. [2021-12-18 11:56:31,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4722 to 4513. [2021-12-18 11:56:31,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4513 states, 2993 states have (on average 1.3077180086869362) internal successors, (3914), 3150 states have internal predecessors, (3914), 1312 states have call successors, (1312), 207 states have call predecessors, (1312), 207 states have return successors, (1312), 1250 states have call predecessors, (1312), 1312 states have call successors, (1312) [2021-12-18 11:56:31,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4513 states to 4513 states and 6538 transitions. [2021-12-18 11:56:31,959 INFO L78 Accepts]: Start accepts. Automaton has 4513 states and 6538 transitions. Word has length 197 [2021-12-18 11:56:31,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:56:31,961 INFO L470 AbstractCegarLoop]: Abstraction has 4513 states and 6538 transitions. [2021-12-18 11:56:31,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 11:56:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 4513 states and 6538 transitions. [2021-12-18 11:56:31,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-12-18 11:56:31,963 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:56:31,964 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-18 11:56:31,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 11:56:31,964 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:56:31,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:56:31,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1272187335, now seen corresponding path program 1 times [2021-12-18 11:56:31,965 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:56:31,965 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030274698] [2021-12-18 11:56:31,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:56:31,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:56:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:56:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:56:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:56:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:56:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:56:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:56:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:56:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:56:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:56:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 11:56:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 11:56:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 11:56:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 11:56:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:56:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:56:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 11:56:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:56:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:56:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 11:56:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:56:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 11:56:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 11:56:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 11:56:32,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:56:33,024 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-18 11:56:33,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:56:33,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030274698] [2021-12-18 11:56:33,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030274698] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:56:33,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:56:33,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 11:56:33,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501656072] [2021-12-18 11:56:33,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:56:33,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 11:56:33,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:56:33,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 11:56:33,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:56:33,026 INFO L87 Difference]: Start difference. First operand 4513 states and 6538 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 11:56:36,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:56:47,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:56:50,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:56:52,087 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:56:54,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:56:57,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:57:14,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:57:14,187 INFO L93 Difference]: Finished difference Result 9193 states and 13551 transitions. [2021-12-18 11:57:14,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 11:57:14,188 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 165 [2021-12-18 11:57:14,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:57:14,223 INFO L225 Difference]: With dead ends: 9193 [2021-12-18 11:57:14,224 INFO L226 Difference]: Without dead ends: 4722 [2021-12-18 11:57:14,248 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 11:57:14,250 INFO L933 BasicCegarLoop]: 6061 mSDtfsCounter, 9106 mSDsluCounter, 6372 mSDsCounter, 0 mSdLazyCounter, 4858 mSolverCounterSat, 8717 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9106 SdHoareTripleChecker+Valid, 12433 SdHoareTripleChecker+Invalid, 13578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8717 IncrementalHoareTripleChecker+Valid, 4858 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2021-12-18 11:57:14,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9106 Valid, 12433 Invalid, 13578 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8717 Valid, 4858 Invalid, 3 Unknown, 0 Unchecked, 40.1s Time] [2021-12-18 11:57:14,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4722 states. [2021-12-18 11:57:14,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4722 to 4513. [2021-12-18 11:57:14,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4513 states, 2993 states have (on average 1.3073838957567658) internal successors, (3913), 3150 states have internal predecessors, (3913), 1312 states have call successors, (1312), 207 states have call predecessors, (1312), 207 states have return successors, (1312), 1250 states have call predecessors, (1312), 1312 states have call successors, (1312) [2021-12-18 11:57:14,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4513 states to 4513 states and 6537 transitions. [2021-12-18 11:57:14,420 INFO L78 Accepts]: Start accepts. Automaton has 4513 states and 6537 transitions. Word has length 165 [2021-12-18 11:57:14,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:57:14,420 INFO L470 AbstractCegarLoop]: Abstraction has 4513 states and 6537 transitions. [2021-12-18 11:57:14,421 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 11:57:14,421 INFO L276 IsEmpty]: Start isEmpty. Operand 4513 states and 6537 transitions. [2021-12-18 11:57:14,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-12-18 11:57:14,425 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:57:14,425 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-18 11:57:14,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 11:57:14,425 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:57:14,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:57:14,426 INFO L85 PathProgramCache]: Analyzing trace with hash 932801001, now seen corresponding path program 1 times [2021-12-18 11:57:14,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:57:14,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661014341] [2021-12-18 11:57:14,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:57:14,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:57:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:14,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:57:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:14,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:57:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:14,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:57:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:14,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:57:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:14,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:57:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:14,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:57:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:57:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:14,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:57:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:57:15,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 11:57:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 11:57:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 11:57:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 11:57:15,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:57:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:57:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 11:57:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:57:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:57:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 11:57:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:57:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 11:57:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 11:57:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 11:57:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:57:15,339 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-18 11:57:15,339 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:57:15,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661014341] [2021-12-18 11:57:15,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661014341] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:57:15,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:57:15,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 11:57:15,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863660076] [2021-12-18 11:57:15,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:57:15,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 11:57:15,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:57:15,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 11:57:15,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:57:15,340 INFO L87 Difference]: Start difference. First operand 4513 states and 6537 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 11:57:18,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:57:29,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:57:33,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:57:36,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:57:39,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:57:41,661 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:57:48,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:58:17,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:58:25,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:58:27,532 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:58:29,550 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 [] [2021-12-18 11:59:13,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 11:59:13,547 INFO L93 Difference]: Finished difference Result 18319 states and 27379 transitions. [2021-12-18 11:59:13,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 11:59:13,550 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 166 [2021-12-18 11:59:13,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 11:59:13,646 INFO L225 Difference]: With dead ends: 18319 [2021-12-18 11:59:13,646 INFO L226 Difference]: Without dead ends: 13848 [2021-12-18 11:59:13,672 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-12-18 11:59:13,673 INFO L933 BasicCegarLoop]: 13140 mSDtfsCounter, 21108 mSDsluCounter, 15727 mSDsCounter, 0 mSdLazyCounter, 15421 mSolverCounterSat, 12779 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22814 SdHoareTripleChecker+Valid, 28867 SdHoareTripleChecker+Invalid, 28207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 12779 IncrementalHoareTripleChecker+Valid, 15421 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.4s IncrementalHoareTripleChecker+Time [2021-12-18 11:59:13,673 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [22814 Valid, 28867 Invalid, 28207 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [12779 Valid, 15421 Invalid, 7 Unknown, 0 Unchecked, 115.4s Time] [2021-12-18 11:59:13,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13848 states. [2021-12-18 11:59:14,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13848 to 13318. [2021-12-18 11:59:14,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.3087271082975356) internal successors, (11577), 9326 states have internal predecessors, (11577), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-12-18 11:59:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19613 transitions. [2021-12-18 11:59:14,365 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19613 transitions. Word has length 166 [2021-12-18 11:59:14,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 11:59:14,365 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19613 transitions. [2021-12-18 11:59:14,366 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-18 11:59:14,366 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19613 transitions. [2021-12-18 11:59:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-12-18 11:59:14,367 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 11:59:14,368 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 11:59:14,368 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 11:59:14,368 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 11:59:14,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 11:59:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash 929145741, now seen corresponding path program 1 times [2021-12-18 11:59:14,369 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 11:59:14,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254687355] [2021-12-18 11:59:14,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 11:59:14,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 11:59:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 11:59:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:59:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:59:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:59:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 11:59:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:59:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:59:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:59:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 11:59:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 11:59:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 11:59:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:59:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 11:59:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 11:59:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 11:59:14,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 11:59:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:59:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:59:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:59:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 11:59:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:59:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:59:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:59:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 11:59:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:59:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 11:59:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 11:59:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 11:59:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 11:59:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 11:59:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:59:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 11:59:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 11:59:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 11:59:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 11:59:15,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 11:59:15,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254687355] [2021-12-18 11:59:15,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254687355] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 11:59:15,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 11:59:15,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 11:59:15,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583352845] [2021-12-18 11:59:15,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 11:59:15,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 11:59:15,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 11:59:15,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 11:59:15,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 11:59:15,208 INFO L87 Difference]: Start difference. First operand 13318 states and 19613 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 11:59:18,551 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 [] [2021-12-18 11:59:27,826 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:59:35,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:59:39,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:59:43,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 11:59:44,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:00:11,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:00:11,943 INFO L93 Difference]: Finished difference Result 27118 states and 40661 transitions. [2021-12-18 12:00:11,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:00:11,943 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 200 [2021-12-18 12:00:11,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:00:12,032 INFO L225 Difference]: With dead ends: 27118 [2021-12-18 12:00:12,032 INFO L226 Difference]: Without dead ends: 13842 [2021-12-18 12:00:12,117 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:00:12,118 INFO L933 BasicCegarLoop]: 6094 mSDtfsCounter, 8475 mSDsluCounter, 8997 mSDsCounter, 0 mSdLazyCounter, 6994 mSolverCounterSat, 7264 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8508 SdHoareTripleChecker+Valid, 15091 SdHoareTripleChecker+Invalid, 14262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7264 IncrementalHoareTripleChecker+Valid, 6994 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.0s IncrementalHoareTripleChecker+Time [2021-12-18 12:00:12,118 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8508 Valid, 15091 Invalid, 14262 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7264 Valid, 6994 Invalid, 4 Unknown, 0 Unchecked, 55.0s Time] [2021-12-18 12:00:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13842 states. [2021-12-18 12:00:12,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13842 to 13318. [2021-12-18 12:00:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.3083879719647298) internal successors, (11574), 9326 states have internal predecessors, (11574), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-12-18 12:00:12,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19610 transitions. [2021-12-18 12:00:12,956 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19610 transitions. Word has length 200 [2021-12-18 12:00:12,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:00:12,958 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19610 transitions. [2021-12-18 12:00:12,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:00:12,959 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19610 transitions. [2021-12-18 12:00:12,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-18 12:00:12,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:00:12,962 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 12:00:12,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 12:00:12,962 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:00:12,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:00:12,964 INFO L85 PathProgramCache]: Analyzing trace with hash -882520613, now seen corresponding path program 1 times [2021-12-18 12:00:12,964 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:00:12,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109540436] [2021-12-18 12:00:12,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:00:12,965 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:00:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:00:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:00:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:00:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:00:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 12:00:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:00:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:00:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:00:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:00:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:00:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 12:00:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:00:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:00:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 12:00:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 12:00:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 12:00:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:00:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:00:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:00:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 12:00:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:00:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:00:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:00:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 12:00:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:00:13,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:00:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:00:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 12:00:13,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 12:00:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 12:00:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:00:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:00:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:13,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 12:00:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:00:14,000 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 12:00:14,000 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:00:14,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109540436] [2021-12-18 12:00:14,000 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109540436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:00:14,000 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:00:14,000 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:00:14,000 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415078981] [2021-12-18 12:00:14,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:00:14,001 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:00:14,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:00:14,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:00:14,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:00:14,001 INFO L87 Difference]: Start difference. First operand 13318 states and 19610 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:00:17,263 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 [] [2021-12-18 12:00:29,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:00:32,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:00:34,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:00:36,032 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:00:59,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:00:59,214 INFO L93 Difference]: Finished difference Result 27118 states and 40655 transitions. [2021-12-18 12:00:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 12:00:59,215 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 201 [2021-12-18 12:00:59,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:00:59,300 INFO L225 Difference]: With dead ends: 27118 [2021-12-18 12:00:59,301 INFO L226 Difference]: Without dead ends: 13842 [2021-12-18 12:00:59,370 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:00:59,371 INFO L933 BasicCegarLoop]: 6053 mSDtfsCounter, 9111 mSDsluCounter, 6370 mSDsCounter, 0 mSdLazyCounter, 4846 mSolverCounterSat, 8729 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9111 SdHoareTripleChecker+Valid, 12423 SdHoareTripleChecker+Invalid, 13578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8729 IncrementalHoareTripleChecker+Valid, 4846 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.6s IncrementalHoareTripleChecker+Time [2021-12-18 12:00:59,372 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9111 Valid, 12423 Invalid, 13578 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8729 Valid, 4846 Invalid, 3 Unknown, 0 Unchecked, 43.6s Time] [2021-12-18 12:00:59,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13842 states. [2021-12-18 12:00:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13842 to 13318. [2021-12-18 12:00:59,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.308048835631924) internal successors, (11571), 9326 states have internal predecessors, (11571), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-12-18 12:00:59,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19607 transitions. [2021-12-18 12:01:00,007 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19607 transitions. Word has length 201 [2021-12-18 12:01:00,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:01:00,008 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19607 transitions. [2021-12-18 12:01:00,008 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:01:00,009 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19607 transitions. [2021-12-18 12:01:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2021-12-18 12:01:00,010 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:01:00,010 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 12:01:00,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 12:01:00,011 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:01:00,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:01:00,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1095086135, now seen corresponding path program 1 times [2021-12-18 12:01:00,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:01:00,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068002562] [2021-12-18 12:01:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:01:00,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:01:00,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:01:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 12:01:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:01:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:01:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 12:01:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:01:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 12:01:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 12:01:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 12:01:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 12:01:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 12:01:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:00,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 12:01:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 12:01:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 12:01:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 12:01:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:00,832 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 12:01:00,832 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:01:00,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068002562] [2021-12-18 12:01:00,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068002562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:01:00,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:01:00,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:01:00,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75518385] [2021-12-18 12:01:00,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:01:00,833 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:01:00,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:01:00,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:01:00,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:01:00,833 INFO L87 Difference]: Start difference. First operand 13318 states and 19607 transitions. Second operand has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:01:04,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:01:17,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:01:21,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:01:25,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:01:49,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:01:49,469 INFO L93 Difference]: Finished difference Result 27118 states and 40649 transitions. [2021-12-18 12:01:49,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:01:49,469 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 202 [2021-12-18 12:01:49,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:01:49,577 INFO L225 Difference]: With dead ends: 27118 [2021-12-18 12:01:49,577 INFO L226 Difference]: Without dead ends: 13842 [2021-12-18 12:01:49,650 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:01:49,651 INFO L933 BasicCegarLoop]: 6090 mSDtfsCounter, 9217 mSDsluCounter, 6585 mSDsCounter, 0 mSdLazyCounter, 5255 mSolverCounterSat, 8762 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9250 SdHoareTripleChecker+Valid, 12675 SdHoareTripleChecker+Invalid, 14020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8762 IncrementalHoareTripleChecker+Valid, 5255 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2021-12-18 12:01:49,651 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9250 Valid, 12675 Invalid, 14020 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8762 Valid, 5255 Invalid, 3 Unknown, 0 Unchecked, 46.9s Time] [2021-12-18 12:01:49,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13842 states. [2021-12-18 12:01:50,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13842 to 13318. [2021-12-18 12:01:50,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.3077096992991182) internal successors, (11568), 9326 states have internal predecessors, (11568), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-12-18 12:01:50,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19604 transitions. [2021-12-18 12:01:50,458 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19604 transitions. Word has length 202 [2021-12-18 12:01:50,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:01:50,459 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19604 transitions. [2021-12-18 12:01:50,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:01:50,459 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19604 transitions. [2021-12-18 12:01:50,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-12-18 12:01:50,462 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:01:50,462 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 12:01:50,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 12:01:50,462 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:01:50,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:01:50,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1019833879, now seen corresponding path program 1 times [2021-12-18 12:01:50,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:01:50,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529666519] [2021-12-18 12:01:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:01:50,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:01:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:01:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:50,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:50,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 12:01:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:01:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:01:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 12:01:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:01:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 12:01:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 12:01:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 12:01:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 12:01:51,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 12:01:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:01:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:01:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 12:01:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 12:01:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 12:01:51,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:01:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 12:01:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:01:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 12:01:52,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:01:52,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529666519] [2021-12-18 12:01:52,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529666519] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:01:52,079 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:01:52,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:01:52,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86602055] [2021-12-18 12:01:52,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:01:52,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:01:52,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:01:52,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:01:52,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:01:52,081 INFO L87 Difference]: Start difference. First operand 13318 states and 19604 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:01:55,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:02:08,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:02:11,674 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 [] [2021-12-18 12:02:36,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:02:36,168 INFO L93 Difference]: Finished difference Result 27118 states and 40643 transitions. [2021-12-18 12:02:36,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:02:36,169 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 203 [2021-12-18 12:02:36,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:02:36,250 INFO L225 Difference]: With dead ends: 27118 [2021-12-18 12:02:36,250 INFO L226 Difference]: Without dead ends: 13842 [2021-12-18 12:02:36,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:02:36,316 INFO L933 BasicCegarLoop]: 6085 mSDtfsCounter, 9212 mSDsluCounter, 6514 mSDsCounter, 0 mSdLazyCounter, 5187 mSolverCounterSat, 8770 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9245 SdHoareTripleChecker+Valid, 12599 SdHoareTripleChecker+Invalid, 13960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8770 IncrementalHoareTripleChecker+Valid, 5187 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.3s IncrementalHoareTripleChecker+Time [2021-12-18 12:02:36,316 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9245 Valid, 12599 Invalid, 13960 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8770 Valid, 5187 Invalid, 3 Unknown, 0 Unchecked, 42.3s Time] [2021-12-18 12:02:36,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13842 states. [2021-12-18 12:02:36,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13842 to 13318. [2021-12-18 12:02:36,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.3073705629663124) internal successors, (11565), 9326 states have internal predecessors, (11565), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-12-18 12:02:36,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19601 transitions. [2021-12-18 12:02:36,990 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19601 transitions. Word has length 203 [2021-12-18 12:02:36,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:02:36,990 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19601 transitions. [2021-12-18 12:02:36,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:02:36,991 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19601 transitions. [2021-12-18 12:02:36,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2021-12-18 12:02:36,992 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:02:36,992 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 12:02:36,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 12:02:36,993 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:02:36,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:02:36,993 INFO L85 PathProgramCache]: Analyzing trace with hash -2022605819, now seen corresponding path program 1 times [2021-12-18 12:02:36,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:02:36,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393891740] [2021-12-18 12:02:36,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:02:36,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:02:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:02:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:02:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:02:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:02:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 12:02:37,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:02:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:02:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:02:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:02:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:02:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 12:02:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:02:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:02:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 12:02:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 12:02:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 12:02:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:02:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:02:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:02:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 12:02:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:02:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:02:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:02:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 12:02:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:02:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:02:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:02:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 12:02:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 12:02:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 12:02:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:02:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:02:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 12:02:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:02:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 12:02:37,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:02:37,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393891740] [2021-12-18 12:02:37,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393891740] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:02:37,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:02:37,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:02:37,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264343939] [2021-12-18 12:02:37,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:02:37,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:02:37,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:02:37,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:02:37,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:02:37,750 INFO L87 Difference]: Start difference. First operand 13318 states and 19601 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:02:40,932 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 [] [2021-12-18 12:02:53,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:02:57,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:03:02,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:03:30,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:03:30,011 INFO L93 Difference]: Finished difference Result 27118 states and 40637 transitions. [2021-12-18 12:03:30,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:03:30,012 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 204 [2021-12-18 12:03:30,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:03:30,122 INFO L225 Difference]: With dead ends: 27118 [2021-12-18 12:03:30,122 INFO L226 Difference]: Without dead ends: 13842 [2021-12-18 12:03:30,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:03:30,225 INFO L933 BasicCegarLoop]: 6087 mSDtfsCounter, 9207 mSDsluCounter, 6517 mSDsCounter, 0 mSdLazyCounter, 5186 mSolverCounterSat, 8764 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9240 SdHoareTripleChecker+Valid, 12604 SdHoareTripleChecker+Invalid, 13953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8764 IncrementalHoareTripleChecker+Valid, 5186 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.1s IncrementalHoareTripleChecker+Time [2021-12-18 12:03:30,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9240 Valid, 12604 Invalid, 13953 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8764 Valid, 5186 Invalid, 3 Unknown, 0 Unchecked, 50.1s Time] [2021-12-18 12:03:30,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13842 states. [2021-12-18 12:03:30,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13842 to 13318. [2021-12-18 12:03:31,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.3070314266335066) internal successors, (11562), 9326 states have internal predecessors, (11562), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-12-18 12:03:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19598 transitions. [2021-12-18 12:03:31,300 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19598 transitions. Word has length 204 [2021-12-18 12:03:31,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:03:31,301 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19598 transitions. [2021-12-18 12:03:31,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:03:31,302 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19598 transitions. [2021-12-18 12:03:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-12-18 12:03:31,305 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:03:31,305 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 12:03:31,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 12:03:31,306 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:03:31,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:03:31,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1734439341, now seen corresponding path program 1 times [2021-12-18 12:03:31,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:03:31,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305259948] [2021-12-18 12:03:31,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:03:31,308 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:03:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:03:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:03:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:03:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 12:03:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:03:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:03:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:03:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:03:31,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 12:03:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:03:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 12:03:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:31,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 12:03:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 12:03:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:32,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:03:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:03:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 12:03:32,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:03:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:03:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 12:03:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:03:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:03:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 12:03:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 12:03:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 12:03:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:03:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 12:03:32,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:03:32,479 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 12:03:32,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:03:32,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305259948] [2021-12-18 12:03:32,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305259948] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:03:32,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:03:32,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:03:32,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969655554] [2021-12-18 12:03:32,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:03:32,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:03:32,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:03:32,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:03:32,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:03:32,482 INFO L87 Difference]: Start difference. First operand 13318 states and 19598 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:03:35,936 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 [] [2021-12-18 12:03:48,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:03:52,303 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:04:15,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:04:15,438 INFO L93 Difference]: Finished difference Result 27118 states and 40631 transitions. [2021-12-18 12:04:15,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:04:15,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 205 [2021-12-18 12:04:15,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:04:15,510 INFO L225 Difference]: With dead ends: 27118 [2021-12-18 12:04:15,510 INFO L226 Difference]: Without dead ends: 13842 [2021-12-18 12:04:15,572 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:04:15,582 INFO L933 BasicCegarLoop]: 6087 mSDtfsCounter, 9202 mSDsluCounter, 6522 mSDsCounter, 0 mSdLazyCounter, 5185 mSolverCounterSat, 8760 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9235 SdHoareTripleChecker+Valid, 12609 SdHoareTripleChecker+Invalid, 13948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8760 IncrementalHoareTripleChecker+Valid, 5185 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.2s IncrementalHoareTripleChecker+Time [2021-12-18 12:04:15,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9235 Valid, 12609 Invalid, 13948 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8760 Valid, 5185 Invalid, 3 Unknown, 0 Unchecked, 41.2s Time] [2021-12-18 12:04:15,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13842 states. [2021-12-18 12:04:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13842 to 13318. [2021-12-18 12:04:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.3066922903007008) internal successors, (11559), 9326 states have internal predecessors, (11559), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-12-18 12:04:16,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19595 transitions. [2021-12-18 12:04:16,273 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19595 transitions. Word has length 205 [2021-12-18 12:04:16,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:04:16,273 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19595 transitions. [2021-12-18 12:04:16,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:04:16,274 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19595 transitions. [2021-12-18 12:04:16,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-12-18 12:04:16,275 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:04:16,276 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 12:04:16,276 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 12:04:16,276 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:04:16,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:04:16,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1276696511, now seen corresponding path program 1 times [2021-12-18 12:04:16,276 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:04:16,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969296192] [2021-12-18 12:04:16,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:04:16,277 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:04:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:04:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 12:04:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:16,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:04:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:04:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 12:04:16,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:04:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 12:04:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 12:04:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 12:04:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 12:04:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 12:04:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:04:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:04:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 12:04:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 12:04:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 12:04:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:04:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:16,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 12:04:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:04:17,116 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 12:04:17,116 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:04:17,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969296192] [2021-12-18 12:04:17,116 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969296192] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:04:17,116 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:04:17,116 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:04:17,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801879324] [2021-12-18 12:04:17,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:04:17,117 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:04:17,117 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:04:17,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:04:17,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:04:17,118 INFO L87 Difference]: Start difference. First operand 13318 states and 19595 transitions. Second operand has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:04:20,202 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:04:32,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:04:35,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:04:37,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:04:39,262 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 [] [2021-12-18 12:05:01,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:05:01,269 INFO L93 Difference]: Finished difference Result 27118 states and 40625 transitions. [2021-12-18 12:05:01,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 12:05:01,270 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 206 [2021-12-18 12:05:01,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:05:01,342 INFO L225 Difference]: With dead ends: 27118 [2021-12-18 12:05:01,342 INFO L226 Difference]: Without dead ends: 13842 [2021-12-18 12:05:01,406 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:05:01,407 INFO L933 BasicCegarLoop]: 6052 mSDtfsCounter, 9086 mSDsluCounter, 6373 mSDsCounter, 0 mSdLazyCounter, 4845 mSolverCounterSat, 8723 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9086 SdHoareTripleChecker+Valid, 12425 SdHoareTripleChecker+Invalid, 13572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8723 IncrementalHoareTripleChecker+Valid, 4845 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.4s IncrementalHoareTripleChecker+Time [2021-12-18 12:05:01,408 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9086 Valid, 12425 Invalid, 13572 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8723 Valid, 4845 Invalid, 4 Unknown, 0 Unchecked, 42.4s Time] [2021-12-18 12:05:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13842 states. [2021-12-18 12:05:01,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13842 to 13318. [2021-12-18 12:05:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.3063531539678952) internal successors, (11556), 9326 states have internal predecessors, (11556), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-12-18 12:05:02,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19592 transitions. [2021-12-18 12:05:02,183 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19592 transitions. Word has length 206 [2021-12-18 12:05:02,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:05:02,184 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19592 transitions. [2021-12-18 12:05:02,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.142857142857142) internal successors, (71), 5 states have internal predecessors, (71), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:05:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19592 transitions. [2021-12-18 12:05:02,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-18 12:05:02,186 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:05:02,186 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-18 12:05:02,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 12:05:02,186 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:05:02,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:05:02,187 INFO L85 PathProgramCache]: Analyzing trace with hash 142945935, now seen corresponding path program 1 times [2021-12-18 12:05:02,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:05:02,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030957848] [2021-12-18 12:05:02,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:05:02,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:05:02,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:05:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:02,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 12:05:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:05:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:05:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2021-12-18 12:05:02,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-18 12:05:02,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-18 12:05:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-18 12:05:02,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-18 12:05:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-18 12:05:02,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-12-18 12:05:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:02,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 12:05:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 12:05:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 12:05:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-12-18 12:05:02,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:03,108 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2021-12-18 12:05:03,109 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:05:03,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030957848] [2021-12-18 12:05:03,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030957848] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:05:03,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:05:03,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:05:03,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142346853] [2021-12-18 12:05:03,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:05:03,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:05:03,109 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:05:03,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:05:03,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:05:03,110 INFO L87 Difference]: Start difference. First operand 13318 states and 19592 transitions. Second operand has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:05:06,353 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 [] [2021-12-18 12:05:18,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:21,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:25,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:05:47,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:05:47,621 INFO L93 Difference]: Finished difference Result 27118 states and 40619 transitions. [2021-12-18 12:05:47,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:05:47,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 207 [2021-12-18 12:05:47,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:05:47,723 INFO L225 Difference]: With dead ends: 27118 [2021-12-18 12:05:47,724 INFO L226 Difference]: Without dead ends: 13842 [2021-12-18 12:05:47,816 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:05:47,817 INFO L933 BasicCegarLoop]: 6077 mSDtfsCounter, 9192 mSDsluCounter, 6577 mSDsCounter, 0 mSdLazyCounter, 5242 mSolverCounterSat, 8778 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9225 SdHoareTripleChecker+Valid, 12654 SdHoareTripleChecker+Invalid, 14023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8778 IncrementalHoareTripleChecker+Valid, 5242 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.6s IncrementalHoareTripleChecker+Time [2021-12-18 12:05:47,817 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9225 Valid, 12654 Invalid, 14023 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8778 Valid, 5242 Invalid, 3 Unknown, 0 Unchecked, 42.6s Time] [2021-12-18 12:05:47,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13842 states. [2021-12-18 12:05:48,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13842 to 13318. [2021-12-18 12:05:48,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 8846 states have (on average 1.3060140176350894) internal successors, (11553), 9326 states have internal predecessors, (11553), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 617 states have return successors, (4182), 3663 states have call predecessors, (4182), 3854 states have call successors, (4182) [2021-12-18 12:05:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 19589 transitions. [2021-12-18 12:05:48,704 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 19589 transitions. Word has length 207 [2021-12-18 12:05:48,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:05:48,705 INFO L470 AbstractCegarLoop]: Abstraction has 13318 states and 19589 transitions. [2021-12-18 12:05:48,705 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-18 12:05:48,706 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 19589 transitions. [2021-12-18 12:05:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-12-18 12:05:48,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:05:48,708 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-12-18 12:05:48,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 12:05:48,708 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:05:48,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:05:48,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1756636808, now seen corresponding path program 1 times [2021-12-18 12:05:48,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:05:48,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503924433] [2021-12-18 12:05:48,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:05:48,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:05:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:05:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 12:05:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:49,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:05:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:05:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:05:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:05:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 12:05:49,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 12:05:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:05:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 12:05:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 12:05:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:05:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 12:05:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 12:05:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-12-18 12:05:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:05:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-18 12:05:49,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:05:49,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503924433] [2021-12-18 12:05:49,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503924433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:05:49,774 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:05:49,774 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 12:05:49,774 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609647250] [2021-12-18 12:05:49,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:05:49,775 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 12:05:49,775 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:05:49,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 12:05:49,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-12-18 12:05:49,775 INFO L87 Difference]: Start difference. First operand 13318 states and 19589 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-18 12:05:53,272 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 [] [2021-12-18 12:05:55,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:06:07,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:06:15,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:06:17,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:06:22,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:06:26,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:06:28,608 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:06:55,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 12:06:55,519 INFO L93 Difference]: Finished difference Result 13854 states and 20824 transitions. [2021-12-18 12:06:55,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 12:06:55,520 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) Word has length 174 [2021-12-18 12:06:55,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 12:06:55,633 INFO L225 Difference]: With dead ends: 13854 [2021-12-18 12:06:55,634 INFO L226 Difference]: Without dead ends: 13852 [2021-12-18 12:06:55,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-12-18 12:06:55,658 INFO L933 BasicCegarLoop]: 6077 mSDtfsCounter, 780 mSDsluCounter, 22401 mSDsCounter, 0 mSdLazyCounter, 5846 mSolverCounterSat, 1358 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 946 SdHoareTripleChecker+Valid, 28478 SdHoareTripleChecker+Invalid, 7211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1358 IncrementalHoareTripleChecker+Valid, 5846 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.9s IncrementalHoareTripleChecker+Time [2021-12-18 12:06:55,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [946 Valid, 28478 Invalid, 7211 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1358 Valid, 5846 Invalid, 7 Unknown, 0 Unchecked, 63.9s Time] [2021-12-18 12:06:55,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13852 states. [2021-12-18 12:06:56,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13852 to 13324. [2021-12-18 12:06:56,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13324 states, 8850 states have (on average 1.3056497175141244) internal successors, (11555), 9331 states have internal predecessors, (11555), 3854 states have call successors, (3854), 609 states have call predecessors, (3854), 619 states have return successors, (4187), 3664 states have call predecessors, (4187), 3854 states have call successors, (4187) [2021-12-18 12:06:56,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13324 states to 13324 states and 19596 transitions. [2021-12-18 12:06:56,773 INFO L78 Accepts]: Start accepts. Automaton has 13324 states and 19596 transitions. Word has length 174 [2021-12-18 12:06:56,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 12:06:56,774 INFO L470 AbstractCegarLoop]: Abstraction has 13324 states and 19596 transitions. [2021-12-18 12:06:56,774 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 4 states have internal predecessors, (99), 1 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-18 12:06:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand 13324 states and 19596 transitions. [2021-12-18 12:06:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2021-12-18 12:06:56,825 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 12:06:56,825 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 12:06:56,825 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 12:06:56,826 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 12:06:56,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 12:06:56,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1953087845, now seen corresponding path program 1 times [2021-12-18 12:06:56,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 12:06:56,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401060559] [2021-12-18 12:06:56,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 12:06:56,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 12:06:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 12:06:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:06:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:06:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 12:06:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:06:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:06:57,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 12:06:57,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-18 12:06:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 12:06:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 12:06:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 12:06:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 12:06:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 12:06:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 12:06:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 12:06:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-18 12:06:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 12:06:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-12-18 12:06:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-18 12:06:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 12:06:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2021-12-18 12:06:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 12:06:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 12:06:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-12-18 12:06:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-12-18 12:06:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-18 12:06:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-12-18 12:06:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 12:06:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 12:06:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 12:06:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 12:06:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 12:06:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-18 12:06:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-18 12:06:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 12:06:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 12:06:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-18 12:06:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 12:06:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 12:06:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 12:06:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:06:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 12:06:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 12:06:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 12:06:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 12:06:58,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 12:06:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 12:06:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2021-12-18 12:06:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 12:06:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 12:06:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 12:06:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 12:06:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 12:06:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 12:06:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-12-18 12:06:58,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 12:06:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2021-12-18 12:06:58,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 12:06:58,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401060559] [2021-12-18 12:06:58,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401060559] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 12:06:58,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 12:06:58,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 12:06:58,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708446965] [2021-12-18 12:06:58,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 12:06:58,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 12:06:58,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 12:06:58,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 12:06:58,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-12-18 12:06:58,283 INFO L87 Difference]: Start difference. First operand 13324 states and 19596 transitions. Second operand has 8 states, 8 states have (on average 27.5) internal successors, (220), 3 states have internal predecessors, (220), 3 states have call successors, (62), 7 states have call predecessors, (62), 1 states have return successors, (57), 2 states have call predecessors, (57), 3 states have call successors, (57) [2021-12-18 12:07:02,398 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 [] [2021-12-18 12:07:04,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:06,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:19,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:30,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:35,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:41,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:42,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:44,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:46,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:47,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 12:07:52,858 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 [] Killed by 15