./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.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 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:37:54,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:37:54,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:37:54,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:37:54,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:37:54,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:37:54,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:37:54,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:37:54,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:37:54,100 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:37:54,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:37:54,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:37:54,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:37:54,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:37:54,110 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:37:54,114 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:37:54,115 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:37:54,116 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:37:54,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:37:54,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:37:54,123 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:37:54,124 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:37:54,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:37:54,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:37:54,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:37:54,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:37:54,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:37:54,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:37:54,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:37:54,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:37:54,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:37:54,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:37:54,137 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:37:54,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:37:54,139 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:37:54,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:37:54,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:37:54,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:37:54,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:37:54,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:37:54,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:37:54,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:37:54,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:37:54,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:37:54,180 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:37:54,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:37:54,180 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:37:54,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:37:54,181 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:37:54,182 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:37:54,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:37:54,182 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:37:54,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:37:54,183 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:37:54,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:37:54,184 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:37:54,184 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:37:54,184 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:37:54,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:37:54,184 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:37:54,185 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:37:54,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:37:54,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:37:54,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:37:54,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:37:54,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:37:54,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:37:54,186 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:37:54,186 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:37:54,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:37:54,187 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:37:54,187 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:37:54,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:37:54,187 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 [2022-07-21 14:37:54,500 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:37:54,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:37:54,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:37:54,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:37:54,529 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:37:54,530 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-07-21 14:37:54,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c336579df/7a6e5e9a740749549558cae5c335d98d/FLAG4a7f8e349 [2022-07-21 14:37:55,415 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:37:55,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-07-21 14:37:55,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c336579df/7a6e5e9a740749549558cae5c335d98d/FLAG4a7f8e349 [2022-07-21 14:37:55,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c336579df/7a6e5e9a740749549558cae5c335d98d [2022-07-21 14:37:55,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:37:55,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:37:55,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:37:55,584 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:37:55,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:37:55,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:37:55" (1/1) ... [2022-07-21 14:37:55,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41084a1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:55, skipping insertion in model container [2022-07-21 14:37:55,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:37:55" (1/1) ... [2022-07-21 14:37:55,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:37:55,721 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:37:57,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-07-21 14:37:57,574 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-07-21 14:37:57,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:37:57,632 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:37:58,035 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293480,293493] [2022-07-21 14:37:58,036 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i[293625,293638] [2022-07-21 14:37:58,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:37:58,165 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:37:58,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58 WrapperNode [2022-07-21 14:37:58,166 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:37:58,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:37:58,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:37:58,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:37:58,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,483 INFO L137 Inliner]: procedures = 363, calls = 2926, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 4902 [2022-07-21 14:37:58,483 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:37:58,484 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:37:58,485 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:37:58,485 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:37:58,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:37:58,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:37:58,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:37:58,800 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:37:58,801 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (1/1) ... [2022-07-21 14:37:58,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:37:58,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:37:58,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:37:58,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:37:58,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 14:37:58,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 14:37:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-07-21 14:37:58,875 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-07-21 14:37:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 14:37:58,875 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:37:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:37:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:37:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:37:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:37:58,876 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:37:58,876 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2022-07-21 14:37:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2022-07-21 14:37:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 14:37:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 14:37:58,877 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2022-07-21 14:37:58,877 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2022-07-21 14:37:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:37:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:37:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2022-07-21 14:37:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2022-07-21 14:37:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2022-07-21 14:37:58,878 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2022-07-21 14:37:58,878 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 14:37:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 14:37:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2022-07-21 14:37:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2022-07-21 14:37:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2022-07-21 14:37:58,879 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2022-07-21 14:37:58,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2022-07-21 14:37:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2022-07-21 14:37:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-21 14:37:58,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-21 14:37:58,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:37:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-07-21 14:37:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-07-21 14:37:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:37:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:37:58,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:37:58,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:37:58,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:37:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-07-21 14:37:58,882 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-07-21 14:37:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:37:58,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:37:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-07-21 14:37:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2022-07-21 14:37:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2022-07-21 14:37:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2022-07-21 14:37:58,883 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 14:37:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 14:37:58,884 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 14:37:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 14:37:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-07-21 14:37:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-07-21 14:37:58,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:37:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:37:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-07-21 14:37:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-07-21 14:37:58,886 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-07-21 14:37:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-07-21 14:37:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:37:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:37:58,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:37:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 14:37:58,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 14:37:58,887 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-07-21 14:37:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-07-21 14:37:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:37:58,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:37:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:37:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-07-21 14:37:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-07-21 14:37:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-07-21 14:37:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-07-21 14:37:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:37:58,889 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-07-21 14:37:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-07-21 14:37:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-21 14:37:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-21 14:37:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:37:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:37:58,890 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-07-21 14:37:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-07-21 14:37:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:37:58,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:37:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:37:58,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:37:58,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-07-21 14:37:58,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-07-21 14:37:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 14:37:58,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 14:37:58,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-07-21 14:37:58,893 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-07-21 14:37:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:37:58,893 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:37:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:37:58,893 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2022-07-21 14:37:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2022-07-21 14:37:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-07-21 14:37:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-07-21 14:37:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2022-07-21 14:37:58,894 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2022-07-21 14:37:58,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:37:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:37:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:37:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:37:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:37:58,895 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-07-21 14:37:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-07-21 14:37:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 14:37:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 14:37:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:37:58,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:37:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:37:58,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:37:58,898 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-07-21 14:37:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-07-21 14:37:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:37:58,900 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2022-07-21 14:37:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2022-07-21 14:37:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-21 14:37:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-21 14:37:58,902 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:37:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:37:58,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:37:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-21 14:37:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-21 14:37:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-21 14:37:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2022-07-21 14:37:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2022-07-21 14:37:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-07-21 14:37:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-07-21 14:37:58,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:37:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:37:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-07-21 14:37:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-07-21 14:37:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2022-07-21 14:37:58,910 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2022-07-21 14:37:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2022-07-21 14:37:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2022-07-21 14:37:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:37:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-07-21 14:37:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-07-21 14:37:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:37:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:37:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:37:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:37:59,581 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:37:59,584 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:37:59,790 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:38:17,771 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:38:17,815 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:38:17,843 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:38:17,845 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-21 14:38:17,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:38:17 BoogieIcfgContainer [2022-07-21 14:38:17,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:38:17,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:38:17,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:38:17,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:38:17,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:37:55" (1/3) ... [2022-07-21 14:38:17,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53042310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:38:17, skipping insertion in model container [2022-07-21 14:38:17,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:37:58" (2/3) ... [2022-07-21 14:38:17,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53042310 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:38:17, skipping insertion in model container [2022-07-21 14:38:17,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:38:17" (3/3) ... [2022-07-21 14:38:17,860 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2022-07-21 14:38:17,876 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:38:17,876 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:38:17,968 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:38:17,975 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2f72ccb3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@679c922f [2022-07-21 14:38:17,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:38:17,987 INFO L276 IsEmpty]: Start isEmpty. Operand has 1390 states, 971 states have (on average 1.3202883625128734) internal successors, (1282), 980 states have internal predecessors, (1282), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) [2022-07-21 14:38:18,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-21 14:38:18,025 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:38:18,026 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:38:18,027 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:38:18,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:38:18,032 INFO L85 PathProgramCache]: Analyzing trace with hash 696493956, now seen corresponding path program 1 times [2022-07-21 14:38:18,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:38:18,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989823873] [2022-07-21 14:38:18,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:38:18,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:38:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:38:19,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:38:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:38:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:38:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:38:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:38:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:38:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:38:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:38:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:38:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:38:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:38:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:38:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:38:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:38:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:38:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:38:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:38:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:38:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:38:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 14:38:19,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:38:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 14:38:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-07-21 14:38:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:19,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-07-21 14:38:19,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:38:19,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989823873] [2022-07-21 14:38:19,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989823873] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:38:19,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:38:19,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:38:19,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816893478] [2022-07-21 14:38:19,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:38:19,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:38:19,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:38:19,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:38:19,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:38:19,771 INFO L87 Difference]: Start difference. First operand has 1390 states, 971 states have (on average 1.3202883625128734) internal successors, (1282), 980 states have internal predecessors, (1282), 355 states have call successors, (355), 65 states have call predecessors, (355), 64 states have return successors, (349), 348 states have call predecessors, (349), 349 states have call successors, (349) Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 14:38:24,062 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 [] [2022-07-21 14:38:27,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:29,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:33,941 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:35,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:39,447 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:41,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:42,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:38:42,568 INFO L93 Difference]: Finished difference Result 3558 states and 5184 transitions. [2022-07-21 14:38:42,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:38:42,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2022-07-21 14:38:42,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:38:42,598 INFO L225 Difference]: With dead ends: 3558 [2022-07-21 14:38:42,598 INFO L226 Difference]: Without dead ends: 2137 [2022-07-21 14:38:42,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:38:42,613 INFO L413 NwaCegarLoop]: 2045 mSDtfsCounter, 1555 mSDsluCounter, 3070 mSDsCounter, 0 mSdLazyCounter, 2037 mSolverCounterSat, 1330 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 5115 SdHoareTripleChecker+Invalid, 3372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 2037 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:38:42,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 5115 Invalid, 3372 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1330 Valid, 2037 Invalid, 5 Unknown, 0 Unchecked, 22.3s Time] [2022-07-21 14:38:42,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2022-07-21 14:38:42,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 2066. [2022-07-21 14:38:42,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2066 states, 1477 states have (on average 1.3026404874746107) internal successors, (1924), 1489 states have internal predecessors, (1924), 492 states have call successors, (492), 96 states have call predecessors, (492), 96 states have return successors, (492), 489 states have call predecessors, (492), 492 states have call successors, (492) [2022-07-21 14:38:42,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 2066 states and 2908 transitions. [2022-07-21 14:38:42,817 INFO L78 Accepts]: Start accepts. Automaton has 2066 states and 2908 transitions. Word has length 276 [2022-07-21 14:38:42,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:38:42,821 INFO L495 AbstractCegarLoop]: Abstraction has 2066 states and 2908 transitions. [2022-07-21 14:38:42,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 3 states have internal predecessors, (75), 3 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-21 14:38:42,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2066 states and 2908 transitions. [2022-07-21 14:38:42,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-21 14:38:42,836 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:38:42,836 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2022-07-21 14:38:42,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:38:42,837 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:38:42,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:38:42,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1875620739, now seen corresponding path program 1 times [2022-07-21 14:38:42,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:38:42,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228706450] [2022-07-21 14:38:42,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:38:42,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:38:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:38:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:38:43,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:38:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:38:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:38:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:38:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:38:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:38:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:38:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:38:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:38:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:38:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:38:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:38:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:38:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:38:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:38:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:38:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:38:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:38:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-21 14:38:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:38:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:38:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:38:43,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-07-21 14:38:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-21 14:38:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 14:38:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:38:43,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:38:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-07-21 14:38:43,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:38:43,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228706450] [2022-07-21 14:38:43,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228706450] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:38:43,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:38:43,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:38:43,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015603660] [2022-07-21 14:38:43,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:38:43,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:38:43,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:38:43,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:38:43,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:38:43,621 INFO L87 Difference]: Start difference. First operand 2066 states and 2908 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 14:38:49,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:50,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:52,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:56,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:38:58,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:03,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:39:03,095 INFO L93 Difference]: Finished difference Result 6114 states and 8659 transitions. [2022-07-21 14:39:03,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:39:03,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 288 [2022-07-21 14:39:03,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:39:03,123 INFO L225 Difference]: With dead ends: 6114 [2022-07-21 14:39:03,124 INFO L226 Difference]: Without dead ends: 4091 [2022-07-21 14:39:03,133 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:39:03,138 INFO L413 NwaCegarLoop]: 2052 mSDtfsCounter, 2249 mSDsluCounter, 3077 mSDsCounter, 0 mSdLazyCounter, 2151 mSolverCounterSat, 1525 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2518 SdHoareTripleChecker+Valid, 5129 SdHoareTripleChecker+Invalid, 3677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1525 IncrementalHoareTripleChecker+Valid, 2151 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:39:03,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2518 Valid, 5129 Invalid, 3677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1525 Valid, 2151 Invalid, 1 Unknown, 0 Unchecked, 19.1s Time] [2022-07-21 14:39:03,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2022-07-21 14:39:03,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 3953. [2022-07-21 14:39:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3953 states, 2833 states have (on average 1.304271090716555) internal successors, (3695), 2861 states have internal predecessors, (3695), 929 states have call successors, (929), 190 states have call predecessors, (929), 190 states have return successors, (929), 919 states have call predecessors, (929), 929 states have call successors, (929) [2022-07-21 14:39:03,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3953 states to 3953 states and 5553 transitions. [2022-07-21 14:39:03,318 INFO L78 Accepts]: Start accepts. Automaton has 3953 states and 5553 transitions. Word has length 288 [2022-07-21 14:39:03,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:39:03,320 INFO L495 AbstractCegarLoop]: Abstraction has 3953 states and 5553 transitions. [2022-07-21 14:39:03,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 14:39:03,320 INFO L276 IsEmpty]: Start isEmpty. Operand 3953 states and 5553 transitions. [2022-07-21 14:39:03,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-07-21 14:39:03,335 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:39:03,335 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 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] [2022-07-21 14:39:03,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:39:03,336 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:39:03,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:39:03,337 INFO L85 PathProgramCache]: Analyzing trace with hash 2055850057, now seen corresponding path program 1 times [2022-07-21 14:39:03,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:39:03,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997269246] [2022-07-21 14:39:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:39:03,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:39:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:39:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:39:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:39:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:39:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:39:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:39:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:39:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:39:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:39:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:39:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:39:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:39:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:39:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:39:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:39:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:39:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:39:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:39:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:39:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:39:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 14:39:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-21 14:39:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-21 14:39:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:39:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 14:39:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-07-21 14:39:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2022-07-21 14:39:04,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:39:04,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997269246] [2022-07-21 14:39:04,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997269246] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:39:04,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:39:04,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:39:04,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146659612] [2022-07-21 14:39:04,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:39:04,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:39:04,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:39:04,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:39:04,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:39:04,007 INFO L87 Difference]: Start difference. First operand 3953 states and 5553 transitions. Second operand has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 14:39:09,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:12,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:13,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:14,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:18,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:20,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:23,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:26,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:39:26,341 INFO L93 Difference]: Finished difference Result 12009 states and 16970 transitions. [2022-07-21 14:39:26,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:39:26,342 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 301 [2022-07-21 14:39:26,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:39:26,392 INFO L225 Difference]: With dead ends: 12009 [2022-07-21 14:39:26,392 INFO L226 Difference]: Without dead ends: 8099 [2022-07-21 14:39:26,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:39:26,411 INFO L413 NwaCegarLoop]: 2697 mSDtfsCounter, 2183 mSDsluCounter, 3818 mSDsCounter, 0 mSdLazyCounter, 2355 mSolverCounterSat, 1256 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2467 SdHoareTripleChecker+Valid, 6515 SdHoareTripleChecker+Invalid, 3615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1256 IncrementalHoareTripleChecker+Valid, 2355 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:39:26,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2467 Valid, 6515 Invalid, 3615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1256 Valid, 2355 Invalid, 4 Unknown, 0 Unchecked, 22.0s Time] [2022-07-21 14:39:26,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8099 states. [2022-07-21 14:39:26,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8099 to 7829. [2022-07-21 14:39:26,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7829 states, 5617 states have (on average 1.3047890332917929) internal successors, (7329), 5673 states have internal predecessors, (7329), 1831 states have call successors, (1831), 380 states have call predecessors, (1831), 380 states have return successors, (1831), 1811 states have call predecessors, (1831), 1831 states have call successors, (1831) [2022-07-21 14:39:26,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7829 states to 7829 states and 10991 transitions. [2022-07-21 14:39:26,761 INFO L78 Accepts]: Start accepts. Automaton has 7829 states and 10991 transitions. Word has length 301 [2022-07-21 14:39:26,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:39:26,761 INFO L495 AbstractCegarLoop]: Abstraction has 7829 states and 10991 transitions. [2022-07-21 14:39:26,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.8) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 14:39:26,762 INFO L276 IsEmpty]: Start isEmpty. Operand 7829 states and 10991 transitions. [2022-07-21 14:39:26,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-21 14:39:26,771 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:39:26,772 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 5, 5, 5, 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] [2022-07-21 14:39:26,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 14:39:26,772 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:39:26,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:39:26,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1622958099, now seen corresponding path program 1 times [2022-07-21 14:39:26,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:39:26,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085276607] [2022-07-21 14:39:26,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:39:26,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:39:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:39:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:39:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:39:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:39:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:39:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:39:27,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:39:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:39:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:39:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:39:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:39:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:39:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:39:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:39:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:39:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:39:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:39:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:39:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:39:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:39:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 14:39:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:39:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:39:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:39:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:39:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:39:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 14:39:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:39:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-21 14:39:27,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:39:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 14:39:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-21 14:39:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:27,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-07-21 14:39:27,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:39:27,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085276607] [2022-07-21 14:39:27,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085276607] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:39:27,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:39:27,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:39:27,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832941037] [2022-07-21 14:39:27,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:39:27,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:39:27,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:39:27,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:39:27,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:39:27,389 INFO L87 Difference]: Start difference. First operand 7829 states and 10991 transitions. Second operand has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 14:39:30,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:39:30,003 INFO L93 Difference]: Finished difference Result 22817 states and 32004 transitions. [2022-07-21 14:39:30,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:39:30,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 320 [2022-07-21 14:39:30,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:39:30,091 INFO L225 Difference]: With dead ends: 22817 [2022-07-21 14:39:30,091 INFO L226 Difference]: Without dead ends: 15031 [2022-07-21 14:39:30,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:39:30,125 INFO L413 NwaCegarLoop]: 2108 mSDtfsCounter, 1810 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 1080 mSolverCounterSat, 697 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 4592 SdHoareTripleChecker+Invalid, 1777 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 697 IncrementalHoareTripleChecker+Valid, 1080 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:39:30,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2034 Valid, 4592 Invalid, 1777 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [697 Valid, 1080 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-07-21 14:39:30,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15031 states. [2022-07-21 14:39:30,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15031 to 14861. [2022-07-21 14:39:30,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14861 states, 10705 states have (on average 1.3004203643157404) internal successors, (13921), 10833 states have internal predecessors, (13921), 3395 states have call successors, (3395), 760 states have call predecessors, (3395), 760 states have return successors, (3395), 3339 states have call predecessors, (3395), 3395 states have call successors, (3395) [2022-07-21 14:39:30,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14861 states to 14861 states and 20711 transitions. [2022-07-21 14:39:30,750 INFO L78 Accepts]: Start accepts. Automaton has 14861 states and 20711 transitions. Word has length 320 [2022-07-21 14:39:30,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:39:30,755 INFO L495 AbstractCegarLoop]: Abstraction has 14861 states and 20711 transitions. [2022-07-21 14:39:30,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 14:39:30,756 INFO L276 IsEmpty]: Start isEmpty. Operand 14861 states and 20711 transitions. [2022-07-21 14:39:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-21 14:39:30,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:39:30,770 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 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] [2022-07-21 14:39:30,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 14:39:30,770 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:39:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:39:30,771 INFO L85 PathProgramCache]: Analyzing trace with hash 890049339, now seen corresponding path program 1 times [2022-07-21 14:39:30,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:39:30,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269505365] [2022-07-21 14:39:30,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:39:30,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:39:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:39:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:39:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:39:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:39:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:39:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:39:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:39:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:39:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:39:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:39:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:39:31,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:39:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:39:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:39:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:39:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:39:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:39:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:39:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:39:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:39:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-07-21 14:39:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:39:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:39:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:39:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:39:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:39:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 14:39:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-21 14:39:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:39:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2022-07-21 14:39:31,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:39:31,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [269505365] [2022-07-21 14:39:31,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [269505365] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:39:31,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:39:31,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:39:31,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209492242] [2022-07-21 14:39:31,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:39:31,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:39:31,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:39:31,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:39:31,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:39:31,388 INFO L87 Difference]: Start difference. First operand 14861 states and 20711 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 14:39:35,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:39,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:41,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:43,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:45,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:47,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:48,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:50,600 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:53,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:56,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:39:59,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:00,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:40:00,648 INFO L93 Difference]: Finished difference Result 44337 states and 61884 transitions. [2022-07-21 14:40:00,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:40:00,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 306 [2022-07-21 14:40:00,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:40:00,982 INFO L225 Difference]: With dead ends: 44337 [2022-07-21 14:40:00,995 INFO L226 Difference]: Without dead ends: 29519 [2022-07-21 14:40:01,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:40:01,106 INFO L413 NwaCegarLoop]: 2263 mSDtfsCounter, 2089 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 2218 mSolverCounterSat, 1458 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2360 SdHoareTripleChecker+Valid, 5532 SdHoareTripleChecker+Invalid, 3683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1458 IncrementalHoareTripleChecker+Valid, 2218 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:40:01,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2360 Valid, 5532 Invalid, 3683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1458 Valid, 2218 Invalid, 7 Unknown, 0 Unchecked, 28.5s Time] [2022-07-21 14:40:01,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29519 states. [2022-07-21 14:40:02,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29519 to 28429. [2022-07-21 14:40:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28429 states, 20393 states have (on average 1.2918648555877017) internal successors, (26345), 20665 states have internal predecessors, (26345), 6515 states have call successors, (6515), 1520 states have call predecessors, (6515), 1520 states have return successors, (6515), 6387 states have call predecessors, (6515), 6515 states have call successors, (6515) [2022-07-21 14:40:02,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28429 states to 28429 states and 39375 transitions. [2022-07-21 14:40:02,537 INFO L78 Accepts]: Start accepts. Automaton has 28429 states and 39375 transitions. Word has length 306 [2022-07-21 14:40:02,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:40:02,538 INFO L495 AbstractCegarLoop]: Abstraction has 28429 states and 39375 transitions. [2022-07-21 14:40:02,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (31), 4 states have call predecessors, (31), 1 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 14:40:02,539 INFO L276 IsEmpty]: Start isEmpty. Operand 28429 states and 39375 transitions. [2022-07-21 14:40:02,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2022-07-21 14:40:02,553 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:40:02,553 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 19, 19, 19, 19, 19, 19, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:40:02,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 14:40:02,554 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:40:02,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:40:02,554 INFO L85 PathProgramCache]: Analyzing trace with hash -646304945, now seen corresponding path program 1 times [2022-07-21 14:40:02,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:40:02,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615015816] [2022-07-21 14:40:02,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:40:02,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:40:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:40:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:40:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:40:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:40:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:40:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:40:03,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:40:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:40:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:40:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:40:03,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:40:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:40:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:40:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:40:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:40:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:40:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:40:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:40:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:40:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:40:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-21 14:40:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-07-21 14:40:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-21 14:40:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:40:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:40:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 14:40:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 14:40:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-21 14:40:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-21 14:40:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:03,481 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2022-07-21 14:40:03,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:40:03,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615015816] [2022-07-21 14:40:03,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615015816] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:40:03,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:40:03,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:40:03,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058321435] [2022-07-21 14:40:03,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:40:03,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:40:03,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:40:03,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:40:03,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:40:03,484 INFO L87 Difference]: Start difference. First operand 28429 states and 39375 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-21 14:40:07,268 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:09,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:12,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:14,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:19,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:21,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:24,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:27,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:30,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:40:30,248 INFO L93 Difference]: Finished difference Result 58720 states and 81367 transitions. [2022-07-21 14:40:30,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:40:30,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 310 [2022-07-21 14:40:30,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:40:30,388 INFO L225 Difference]: With dead ends: 58720 [2022-07-21 14:40:30,388 INFO L226 Difference]: Without dead ends: 30334 [2022-07-21 14:40:30,475 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:40:30,478 INFO L413 NwaCegarLoop]: 1907 mSDtfsCounter, 1125 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 1768 mSolverCounterSat, 1013 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 4943 SdHoareTripleChecker+Invalid, 2788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1013 IncrementalHoareTripleChecker+Valid, 1768 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:40:30,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 4943 Invalid, 2788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1013 Valid, 1768 Invalid, 7 Unknown, 0 Unchecked, 26.1s Time] [2022-07-21 14:40:30,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30334 states. [2022-07-21 14:40:31,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30334 to 29259. [2022-07-21 14:40:31,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29259 states, 20982 states have (on average 1.2876274902297207) internal successors, (27017), 21255 states have internal predecessors, (27017), 6629 states have call successors, (6629), 1647 states have call predecessors, (6629), 1647 states have return successors, (6629), 6501 states have call predecessors, (6629), 6629 states have call successors, (6629) [2022-07-21 14:40:31,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29259 states to 29259 states and 40275 transitions. [2022-07-21 14:40:31,809 INFO L78 Accepts]: Start accepts. Automaton has 29259 states and 40275 transitions. Word has length 310 [2022-07-21 14:40:31,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:40:31,810 INFO L495 AbstractCegarLoop]: Abstraction has 29259 states and 40275 transitions. [2022-07-21 14:40:31,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (33), 4 states have call predecessors, (33), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-21 14:40:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 29259 states and 40275 transitions. [2022-07-21 14:40:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2022-07-21 14:40:31,816 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:40:31,817 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 19, 19, 19, 19, 19, 19, 5, 5, 5, 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] [2022-07-21 14:40:31,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 14:40:31,817 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:40:31,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:40:31,818 INFO L85 PathProgramCache]: Analyzing trace with hash 725011367, now seen corresponding path program 1 times [2022-07-21 14:40:31,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:40:31,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167131654] [2022-07-21 14:40:31,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:40:31,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:40:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:40:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:40:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:40:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:40:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:40:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:40:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:40:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:40:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:40:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:40:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:40:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:40:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:40:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:40:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:40:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:40:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:40:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:40:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:40:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:40:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-21 14:40:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:40:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:40:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 14:40:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:40:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:40:32,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:40:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 14:40:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-21 14:40:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:40:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 14:40:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 14:40:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2022-07-21 14:40:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-21 14:40:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:40:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2022-07-21 14:40:32,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:40:32,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167131654] [2022-07-21 14:40:32,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167131654] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:40:32,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:40:32,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:40:32,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78798889] [2022-07-21 14:40:32,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:40:32,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:40:32,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:40:32,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:40:32,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:40:32,375 INFO L87 Difference]: Start difference. First operand 29259 states and 40275 transitions. Second operand has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 14:40:38,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:40,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:42,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:45,335 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:48,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:50,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:52,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:55,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:57,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:40:59,057 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:00,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:41:00,369 INFO L93 Difference]: Finished difference Result 84037 states and 115766 transitions. [2022-07-21 14:41:00,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:41:00,369 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 330 [2022-07-21 14:41:00,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:41:00,660 INFO L225 Difference]: With dead ends: 84037 [2022-07-21 14:41:00,661 INFO L226 Difference]: Without dead ends: 54821 [2022-07-21 14:41:00,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:41:00,760 INFO L413 NwaCegarLoop]: 2226 mSDtfsCounter, 2098 mSDsluCounter, 3243 mSDsCounter, 0 mSdLazyCounter, 2181 mSolverCounterSat, 1397 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2350 SdHoareTripleChecker+Valid, 5469 SdHoareTripleChecker+Invalid, 3585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1397 IncrementalHoareTripleChecker+Valid, 2181 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:41:00,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2350 Valid, 5469 Invalid, 3585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1397 Valid, 2181 Invalid, 7 Unknown, 0 Unchecked, 26.9s Time] [2022-07-21 14:41:00,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54821 states. [2022-07-21 14:41:02,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54821 to 52811. [2022-07-21 14:41:02,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52811 states, 38071 states have (on average 1.2806598198103543) internal successors, (48756), 38631 states have internal predecessors, (48756), 11677 states have call successors, (11677), 3062 states have call predecessors, (11677), 3062 states have return successors, (11677), 11389 states have call predecessors, (11677), 11677 states have call successors, (11677) [2022-07-21 14:41:02,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52811 states to 52811 states and 72110 transitions. [2022-07-21 14:41:02,756 INFO L78 Accepts]: Start accepts. Automaton has 52811 states and 72110 transitions. Word has length 330 [2022-07-21 14:41:02,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:41:02,758 INFO L495 AbstractCegarLoop]: Abstraction has 52811 states and 72110 transitions. [2022-07-21 14:41:02,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.4) internal successors, (92), 3 states have internal predecessors, (92), 3 states have call successors, (35), 4 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 14:41:02,759 INFO L276 IsEmpty]: Start isEmpty. Operand 52811 states and 72110 transitions. [2022-07-21 14:41:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2022-07-21 14:41:03,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:41:03,124 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 19, 19, 19, 19, 19, 19, 5, 5, 5, 3, 3, 3, 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] [2022-07-21 14:41:03,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 14:41:03,124 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:41:03,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:41:03,125 INFO L85 PathProgramCache]: Analyzing trace with hash 617194335, now seen corresponding path program 1 times [2022-07-21 14:41:03,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:41:03,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089859923] [2022-07-21 14:41:03,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:41:03,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:41:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:41:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:41:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:41:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:41:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:41:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:41:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:41:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:41:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:41:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:41:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:41:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:41:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:41:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:41:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:41:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:41:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:41:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:41:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:41:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:41:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 14:41:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-21 14:41:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-21 14:41:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 14:41:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-21 14:41:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-07-21 14:41:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 14:41:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-21 14:41:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-21 14:41:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 14:41:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 14:41:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 14:41:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 14:41:03,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:03,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2022-07-21 14:41:03,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:41:03,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089859923] [2022-07-21 14:41:03,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089859923] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:41:03,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:41:03,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:41:03,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630429012] [2022-07-21 14:41:03,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:41:03,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:41:03,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:41:03,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:41:03,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:41:03,777 INFO L87 Difference]: Start difference. First operand 52811 states and 72110 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-21 14:41:09,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:11,036 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:14,008 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:15,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:17,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:20,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:23,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:26,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:28,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:30,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:33,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:41:33,374 INFO L93 Difference]: Finished difference Result 125663 states and 171883 transitions. [2022-07-21 14:41:33,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:41:33,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 364 [2022-07-21 14:41:33,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:41:33,691 INFO L225 Difference]: With dead ends: 125663 [2022-07-21 14:41:33,691 INFO L226 Difference]: Without dead ends: 73005 [2022-07-21 14:41:33,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 14:41:33,823 INFO L413 NwaCegarLoop]: 1906 mSDtfsCounter, 2261 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 1739 mSolverCounterSat, 1281 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2580 SdHoareTripleChecker+Valid, 4336 SdHoareTripleChecker+Invalid, 3027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1281 IncrementalHoareTripleChecker+Valid, 1739 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:41:33,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2580 Valid, 4336 Invalid, 3027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1281 Valid, 1739 Invalid, 7 Unknown, 0 Unchecked, 28.0s Time] [2022-07-21 14:41:33,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73005 states. [2022-07-21 14:41:35,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73005 to 70563. [2022-07-21 14:41:35,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70563 states, 51015 states have (on average 1.2817798686660786) internal successors, (65390), 51743 states have internal predecessors, (65390), 15353 states have call successors, (15353), 4194 states have call predecessors, (15353), 4194 states have return successors, (15353), 14921 states have call predecessors, (15353), 15353 states have call successors, (15353) [2022-07-21 14:41:36,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70563 states to 70563 states and 96096 transitions. [2022-07-21 14:41:36,224 INFO L78 Accepts]: Start accepts. Automaton has 70563 states and 96096 transitions. Word has length 364 [2022-07-21 14:41:36,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:41:36,225 INFO L495 AbstractCegarLoop]: Abstraction has 70563 states and 96096 transitions. [2022-07-21 14:41:36,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (37), 4 states have call predecessors, (37), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-21 14:41:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 70563 states and 96096 transitions. [2022-07-21 14:41:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2022-07-21 14:41:36,254 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:41:36,255 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 19, 19, 19, 19, 19, 19, 6, 6, 6, 3, 3, 3, 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] [2022-07-21 14:41:36,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 14:41:36,255 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:41:36,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:41:36,256 INFO L85 PathProgramCache]: Analyzing trace with hash -856044007, now seen corresponding path program 1 times [2022-07-21 14:41:36,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:41:36,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208644734] [2022-07-21 14:41:36,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:41:36,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:41:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:41:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:41:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:41:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:41:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:41:36,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:41:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:41:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:41:36,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:41:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:41:36,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:41:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:41:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:41:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:41:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:41:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:41:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:41:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:41:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:41:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-21 14:41:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-07-21 14:41:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-21 14:41:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-07-21 14:41:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-21 14:41:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 14:41:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 14:41:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 14:41:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 14:41:36,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 14:41:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:41:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 14:41:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:41:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-21 14:41:36,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-21 14:41:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 14:41:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-21 14:41:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:41:36,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2022-07-21 14:41:36,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:41:36,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208644734] [2022-07-21 14:41:36,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208644734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:41:36,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:41:36,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:41:36,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376989981] [2022-07-21 14:41:36,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:41:36,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:41:36,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:41:36,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:41:36,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:41:36,920 INFO L87 Difference]: Start difference. First operand 70563 states and 96096 transitions. Second operand has 5 states, 5 states have (on average 24.4) internal successors, (122), 3 states have internal predecessors, (122), 3 states have call successors, (40), 4 states have call predecessors, (40), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-21 14:41:43,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:46,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:48,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:50,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:52,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:41:57,727 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 []