./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-tmp.no-commuhash-c3fed41 [2021-12-18 13:01:04,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 13:01:04,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 13:01:04,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 13:01:04,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 13:01:04,058 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 13:01:04,060 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 13:01:04,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 13:01:04,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 13:01:04,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 13:01:04,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 13:01:04,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 13:01:04,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 13:01:04,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 13:01:04,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 13:01:04,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 13:01:04,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 13:01:04,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 13:01:04,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 13:01:04,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 13:01:04,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 13:01:04,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 13:01:04,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 13:01:04,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 13:01:04,093 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 13:01:04,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 13:01:04,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 13:01:04,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 13:01:04,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 13:01:04,095 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 13:01:04,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 13:01:04,097 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 13:01:04,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 13:01:04,098 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 13:01:04,099 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 13:01:04,100 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 13:01:04,100 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 13:01:04,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 13:01:04,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 13:01:04,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 13:01:04,101 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 13:01:04,102 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 13:01:04,129 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 13:01:04,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 13:01:04,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 13:01:04,132 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 13:01:04,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 13:01:04,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 13:01:04,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 13:01:04,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 13:01:04,133 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 13:01:04,134 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 13:01:04,134 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 13:01:04,134 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 13:01:04,134 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 13:01:04,135 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 13:01:04,135 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 13:01:04,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 13:01:04,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 13:01:04,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 13:01:04,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 13:01:04,136 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 13:01:04,136 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 13:01:04,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:01:04,136 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 13:01:04,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 13:01:04,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 13:01:04,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 13:01:04,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 13:01:04,138 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 13:01:04,138 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 13:01:04,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 13:01:04,138 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 13:01:04,138 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 [2021-12-18 13:01:04,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 13:01:04,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 13:01:04,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 13:01:04,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 13:01:04,358 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 13:01:04,358 INFO L432 ainManager$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 [2021-12-18 13:01:04,403 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae21e6cc7/a3fe866c8ba94719ab66b9c0566ef8eb/FLAG57705d658 [2021-12-18 13:01:04,965 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 13:01:04,966 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 [2021-12-18 13:01:05,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae21e6cc7/a3fe866c8ba94719ab66b9c0566ef8eb/FLAG57705d658 [2021-12-18 13:01:05,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae21e6cc7/a3fe866c8ba94719ab66b9c0566ef8eb [2021-12-18 13:01:05,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 13:01:05,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 13:01:05,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 13:01:05,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 13:01:05,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 13:01:05,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:01:05" (1/1) ... [2021-12-18 13:01:05,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6b7550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:05, skipping insertion in model container [2021-12-18 13:01:05,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:01:05" (1/1) ... [2021-12-18 13:01:05,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 13:01:05,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 13:01:06,659 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] [2021-12-18 13:01:06,661 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] [2021-12-18 13:01:06,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:01:06,686 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 13:01:06,882 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] [2021-12-18 13:01:06,883 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] [2021-12-18 13:01:06,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:01:06,978 INFO L208 MainTranslator]: Completed translation [2021-12-18 13:01:06,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06 WrapperNode [2021-12-18 13:01:06,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 13:01:06,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 13:01:06,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 13:01:06,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 13:01:06,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,150 INFO L137 Inliner]: procedures = 363, calls = 2922, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 4869 [2021-12-18 13:01:07,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 13:01:07,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 13:01:07,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 13:01:07,152 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 13:01:07,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,327 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 13:01:07,375 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 13:01:07,375 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 13:01:07,376 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 13:01:07,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (1/1) ... [2021-12-18 13:01:07,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:01:07,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 13:01:07,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 13:01:07,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 13:01:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-18 13:01:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-18 13:01:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-18 13:01:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-18 13:01:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-12-18 13:01:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 13:01:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 13:01:07,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 13:01:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 13:01:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 13:01:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 13:01:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-12-18 13:01:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-12-18 13:01:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-12-18 13:01:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-12-18 13:01:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-12-18 13:01:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-12-18 13:01:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 13:01:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 13:01:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2021-12-18 13:01:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2021-12-18 13:01:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-12-18 13:01:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-12-18 13:01:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 13:01:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 13:01:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2021-12-18 13:01:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2021-12-18 13:01:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2021-12-18 13:01:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2021-12-18 13:01:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2021-12-18 13:01:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2021-12-18 13:01:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-18 13:01:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-18 13:01:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 13:01:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-12-18 13:01:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-12-18 13:01:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 13:01:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 13:01:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 13:01:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 13:01:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 13:01:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-12-18 13:01:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-12-18 13:01:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 13:01:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 13:01:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2021-12-18 13:01:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2021-12-18 13:01:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2021-12-18 13:01:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2021-12-18 13:01:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-18 13:01:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-18 13:01:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 13:01:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 13:01:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-18 13:01:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-18 13:01:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 13:01:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 13:01:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2021-12-18 13:01:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2021-12-18 13:01:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-12-18 13:01:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-12-18 13:01:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 13:01:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 13:01:07,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 13:01:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-18 13:01:07,444 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-18 13:01:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2021-12-18 13:01:07,444 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2021-12-18 13:01:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 13:01:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 13:01:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 13:01:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-12-18 13:01:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-12-18 13:01:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-12-18 13:01:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-12-18 13:01:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 13:01:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-12-18 13:01:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-12-18 13:01:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-18 13:01:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-18 13:01:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 13:01:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 13:01:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-18 13:01:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-18 13:01:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 13:01:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 13:01:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 13:01:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 13:01:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-18 13:01:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-18 13:01:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 13:01:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 13:01:07,448 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-18 13:01:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-18 13:01:07,448 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 13:01:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 13:01:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 13:01:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-12-18 13:01:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-12-18 13:01:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-12-18 13:01:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-12-18 13:01:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2021-12-18 13:01:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2021-12-18 13:01:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 13:01:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 13:01:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 13:01:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 13:01:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 13:01:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-12-18 13:01:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-12-18 13:01:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-12-18 13:01:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-12-18 13:01:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 13:01:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 13:01:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 13:01:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 13:01:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-12-18 13:01:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-12-18 13:01:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 13:01:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2021-12-18 13:01:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2021-12-18 13:01:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-18 13:01:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-18 13:01:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:01:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 13:01:07,456 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:01:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:01:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 13:01:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 13:01:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2021-12-18 13:01:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2021-12-18 13:01:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-12-18 13:01:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-12-18 13:01:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 13:01:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 13:01:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-12-18 13:01:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-12-18 13:01:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2021-12-18 13:01:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2021-12-18 13:01:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2021-12-18 13:01:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2021-12-18 13:01:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 13:01:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-12-18 13:01:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-12-18 13:01:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 13:01:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 13:01:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 13:01:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 13:01:07,946 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 13:01:07,948 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 13:01:08,130 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 13:01:25,254 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 13:01:25,279 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 13:01:25,292 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 13:01:25,293 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-12-18 13:01:25,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:01:25 BoogieIcfgContainer [2021-12-18 13:01:25,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 13:01:25,297 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 13:01:25,297 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 13:01:25,299 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 13:01:25,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:01:05" (1/3) ... [2021-12-18 13:01:25,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a95b39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:01:25, skipping insertion in model container [2021-12-18 13:01:25,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:01:06" (2/3) ... [2021-12-18 13:01:25,301 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a95b39b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:01:25, skipping insertion in model container [2021-12-18 13:01:25,302 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:01:25" (3/3) ... [2021-12-18 13:01:25,302 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2021-12-18 13:01:25,306 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 13:01:25,306 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 13:01:25,347 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 13:01:25,353 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 13:01:25,354 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 13:01:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 1366 states, 947 states have (on average 1.307286166842661) internal successors, (1238), 956 states have internal predecessors, (1238), 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) [2021-12-18 13:01:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-12-18 13:01:25,413 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:01:25,414 INFO L514 BasicCegarLoop]: 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] [2021-12-18 13:01:25,414 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:01:25,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:01:25,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1456598668, now seen corresponding path program 1 times [2021-12-18 13:01:25,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:01:25,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904938490] [2021-12-18 13:01:25,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:01:25,425 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:01:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:01:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:01:26,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:01:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:01:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:01:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:01:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:01:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:01:26,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:01:26,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:01:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:01:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:01:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:01:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:01:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:01:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:01:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:01:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:01:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:01:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:01:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 13:01:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 13:01:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 13:01:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 13:01:26,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:26,479 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-12-18 13:01:26,479 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:01:26,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904938490] [2021-12-18 13:01:26,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904938490] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:01:26,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:01:26,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:01:26,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865122343] [2021-12-18 13:01:26,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:01:26,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:01:26,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:01:26,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:01:26,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:01:26,516 INFO L87 Difference]: Start difference. First operand has 1366 states, 947 states have (on average 1.307286166842661) internal successors, (1238), 956 states have internal predecessors, (1238), 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 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 13:01:31,916 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:33,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:36,142 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:38,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:39,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:41,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:44,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:47,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:49,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:50,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:01:50,097 INFO L93 Difference]: Finished difference Result 3490 states and 5058 transitions. [2021-12-18 13:01:50,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:01:50,099 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 272 [2021-12-18 13:01:50,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:01:50,118 INFO L225 Difference]: With dead ends: 3490 [2021-12-18 13:01:50,118 INFO L226 Difference]: Without dead ends: 2093 [2021-12-18 13:01:50,126 INFO L932 BasicCegarLoop]: 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 [2021-12-18 13:01:50,129 INFO L933 BasicCegarLoop]: 2016 mSDtfsCounter, 1521 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 1330 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 5404 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2021-12-18 13:01:50,129 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 5404 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1330 Valid, 1628 Invalid, 8 Unknown, 0 Unchecked, 23.3s Time] [2021-12-18 13:01:50,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2021-12-18 13:01:50,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2032. [2021-12-18 13:01:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2032 states, 1443 states have (on average 1.3049203049203049) internal successors, (1883), 1455 states have internal predecessors, (1883), 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) [2021-12-18 13:01:50,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2867 transitions. [2021-12-18 13:01:50,278 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2867 transitions. Word has length 272 [2021-12-18 13:01:50,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:01:50,281 INFO L470 AbstractCegarLoop]: Abstraction has 2032 states and 2867 transitions. [2021-12-18 13:01:50,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 13:01:50,281 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2867 transitions. [2021-12-18 13:01:50,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-12-18 13:01:50,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:01:50,291 INFO L514 BasicCegarLoop]: 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] [2021-12-18 13:01:50,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 13:01:50,292 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:01:50,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:01:50,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1145822950, now seen corresponding path program 1 times [2021-12-18 13:01:50,292 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:01:50,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696963064] [2021-12-18 13:01:50,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:01:50,293 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:01:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:01:50,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:01:50,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:01:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:01:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:01:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:01:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:01:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:01:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:01:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:01:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:01:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:01:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:01:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:01:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:01:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:01:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:01:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:01:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:01:50,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:01:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 13:01:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:01:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:01:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:01:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-18 13:01:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 13:01:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 13:01:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 13:01:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:01:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-12-18 13:01:50,861 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:01:50,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696963064] [2021-12-18 13:01:50,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696963064] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:01:50,861 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:01:50,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:01:50,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357343624] [2021-12-18 13:01:50,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:01:50,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:01:50,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:01:50,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:01:50,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:01:50,865 INFO L87 Difference]: Start difference. First operand 2032 states and 2867 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) [2021-12-18 13:01:55,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:57,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:01:59,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:00,807 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:02,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:03,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:06,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:07,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:10,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:13,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:15,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:02:15,140 INFO L93 Difference]: Finished difference Result 5992 states and 8512 transitions. [2021-12-18 13:02:15,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:02:15,141 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 [2021-12-18 13:02:15,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:02:15,163 INFO L225 Difference]: With dead ends: 5992 [2021-12-18 13:02:15,164 INFO L226 Difference]: Without dead ends: 4003 [2021-12-18 13:02:15,172 INFO L932 BasicCegarLoop]: 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 [2021-12-18 13:02:15,173 INFO L933 BasicCegarLoop]: 2025 mSDtfsCounter, 2174 mSDsluCounter, 3393 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 1526 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2442 SdHoareTripleChecker+Valid, 5418 SdHoareTripleChecker+Invalid, 3282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1526 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:02:15,174 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2442 Valid, 5418 Invalid, 3282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1526 Valid, 1751 Invalid, 5 Unknown, 0 Unchecked, 24.0s Time] [2021-12-18 13:02:15,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2021-12-18 13:02:15,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 3885. [2021-12-18 13:02:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3885 states, 2765 states have (on average 1.3066907775768535) internal successors, (3613), 2793 states have internal predecessors, (3613), 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) [2021-12-18 13:02:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 5471 transitions. [2021-12-18 13:02:15,350 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 5471 transitions. Word has length 288 [2021-12-18 13:02:15,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:02:15,352 INFO L470 AbstractCegarLoop]: Abstraction has 3885 states and 5471 transitions. [2021-12-18 13:02:15,352 INFO L471 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) [2021-12-18 13:02:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 5471 transitions. [2021-12-18 13:02:15,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-12-18 13:02:15,363 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:02:15,363 INFO L514 BasicCegarLoop]: 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] [2021-12-18 13:02:15,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 13:02:15,364 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:02:15,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:02:15,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1325060788, now seen corresponding path program 1 times [2021-12-18 13:02:15,365 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:02:15,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427262216] [2021-12-18 13:02:15,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:02:15,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:02:15,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:02:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:02:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:02:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:02:15,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:02:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:02:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:02:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:02:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:02:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:02:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:02:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:02:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:02:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:02:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:02:15,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:02:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:02:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:02:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:02:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:02:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 13:02:15,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-18 13:02:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-12-18 13:02:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 13:02:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 13:02:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 13:02:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-12-18 13:02:15,774 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:02:15,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427262216] [2021-12-18 13:02:15,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427262216] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:02:15,777 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:02:15,777 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:02:15,778 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278638007] [2021-12-18 13:02:15,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:02:15,779 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:02:15,779 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:02:15,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:02:15,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:02:15,780 INFO L87 Difference]: Start difference. First operand 3885 states and 5471 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 13:02:21,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:25,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:26,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:30,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:31,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:33,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:02:33,427 INFO L93 Difference]: Finished difference Result 11765 states and 16676 transitions. [2021-12-18 13:02:33,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:02:33,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 297 [2021-12-18 13:02:33,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:02:33,461 INFO L225 Difference]: With dead ends: 11765 [2021-12-18 13:02:33,462 INFO L226 Difference]: Without dead ends: 7923 [2021-12-18 13:02:33,472 INFO L932 BasicCegarLoop]: 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 [2021-12-18 13:02:33,473 INFO L933 BasicCegarLoop]: 2643 mSDtfsCounter, 2120 mSDsluCounter, 4105 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 1261 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2406 SdHoareTripleChecker+Valid, 6748 SdHoareTripleChecker+Invalid, 3196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1261 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2021-12-18 13:02:33,473 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2406 Valid, 6748 Invalid, 3196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1261 Valid, 1932 Invalid, 3 Unknown, 0 Unchecked, 17.4s Time] [2021-12-18 13:02:33,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7923 states. [2021-12-18 13:02:33,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7923 to 7693. [2021-12-18 13:02:33,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7693 states, 5481 states have (on average 1.307243203794928) internal successors, (7165), 5537 states have internal predecessors, (7165), 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) [2021-12-18 13:02:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7693 states to 7693 states and 10827 transitions. [2021-12-18 13:02:33,711 INFO L78 Accepts]: Start accepts. Automaton has 7693 states and 10827 transitions. Word has length 297 [2021-12-18 13:02:33,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:02:33,712 INFO L470 AbstractCegarLoop]: Abstraction has 7693 states and 10827 transitions. [2021-12-18 13:02:33,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-18 13:02:33,712 INFO L276 IsEmpty]: Start isEmpty. Operand 7693 states and 10827 transitions. [2021-12-18 13:02:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-12-18 13:02:33,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:02:33,759 INFO L514 BasicCegarLoop]: 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] [2021-12-18 13:02:33,759 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 13:02:33,759 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:02:33,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:02:33,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1635752877, now seen corresponding path program 1 times [2021-12-18 13:02:33,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:02:33,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226935568] [2021-12-18 13:02:33,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:02:33,760 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:02:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:02:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:02:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:02:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:02:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:02:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:02:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:02:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:02:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:02:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:33,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:33,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:02:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:02:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:02:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:02:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:02:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:02:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:02:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:02:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:02:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:02:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:02:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 13:02:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:02:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:02:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-18 13:02:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:02:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:02:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 13:02:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 13:02:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 13:02:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 13:02:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 13:02:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-12-18 13:02:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:34,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2021-12-18 13:02:34,171 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:02:34,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226935568] [2021-12-18 13:02:34,171 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226935568] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:02:34,171 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:02:34,171 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-18 13:02:34,171 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548871710] [2021-12-18 13:02:34,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:02:34,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 13:02:34,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:02:34,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 13:02:34,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-18 13:02:34,173 INFO L87 Difference]: Start difference. First operand 7693 states and 10827 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) [2021-12-18 13:02:36,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:02:36,079 INFO L93 Difference]: Finished difference Result 22409 states and 31512 transitions. [2021-12-18 13:02:36,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 13:02:36,079 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 [2021-12-18 13:02:36,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:02:36,156 INFO L225 Difference]: With dead ends: 22409 [2021-12-18 13:02:36,156 INFO L226 Difference]: Without dead ends: 14759 [2021-12-18 13:02:36,184 INFO L932 BasicCegarLoop]: 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 [2021-12-18 13:02:36,186 INFO L933 BasicCegarLoop]: 2083 mSDtfsCounter, 1779 mSDsluCounter, 2659 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 696 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 4742 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 696 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-18 13:02:36,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2002 Valid, 4742 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [696 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-18 13:02:36,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14759 states. [2021-12-18 13:02:36,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14759 to 14589. [2021-12-18 13:02:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14589 states, 10433 states have (on average 1.3028850762005175) internal successors, (13593), 10561 states have internal predecessors, (13593), 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) [2021-12-18 13:02:36,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14589 states to 14589 states and 20383 transitions. [2021-12-18 13:02:36,845 INFO L78 Accepts]: Start accepts. Automaton has 14589 states and 20383 transitions. Word has length 320 [2021-12-18 13:02:36,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:02:36,848 INFO L470 AbstractCegarLoop]: Abstraction has 14589 states and 20383 transitions. [2021-12-18 13:02:36,849 INFO L471 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) [2021-12-18 13:02:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 14589 states and 20383 transitions. [2021-12-18 13:02:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-12-18 13:02:36,859 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:02:36,859 INFO L514 BasicCegarLoop]: 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] [2021-12-18 13:02:36,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 13:02:36,859 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:02:36,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:02:36,860 INFO L85 PathProgramCache]: Analyzing trace with hash 242474457, now seen corresponding path program 1 times [2021-12-18 13:02:36,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:02:36,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063924859] [2021-12-18 13:02:36,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:02:36,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:02:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:02:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:02:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:02:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:02:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:02:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:02:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:02:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:02:37,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:02:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:02:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:02:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:02:37,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:02:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:02:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:02:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:02:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:02:37,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:02:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:02:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:02:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-12-18 13:02:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:02:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:02:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:02:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-18 13:02:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 13:02:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-12-18 13:02:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 13:02:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:02:37,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-12-18 13:02:37,219 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:02:37,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063924859] [2021-12-18 13:02:37,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063924859] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:02:37,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:02:37,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:02:37,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727932379] [2021-12-18 13:02:37,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:02:37,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:02:37,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:02:37,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:02:37,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:02:37,221 INFO L87 Difference]: Start difference. First operand 14589 states and 20383 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) [2021-12-18 13:02:40,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:44,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:46,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:49,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:51,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:53,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:55,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:02:57,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:00,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:02,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:04,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:03:04,752 INFO L93 Difference]: Finished difference Result 43361 states and 60708 transitions. [2021-12-18 13:03:04,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:03:04,753 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 [2021-12-18 13:03:04,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:03:04,852 INFO L225 Difference]: With dead ends: 43361 [2021-12-18 13:03:04,852 INFO L226 Difference]: Without dead ends: 28815 [2021-12-18 13:03:04,893 INFO L932 BasicCegarLoop]: 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 [2021-12-18 13:03:04,894 INFO L933 BasicCegarLoop]: 2228 mSDtfsCounter, 2016 mSDsluCounter, 3569 mSDsCounter, 0 mSdLazyCounter, 1817 mSolverCounterSat, 1457 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2286 SdHoareTripleChecker+Valid, 5797 SdHoareTripleChecker+Invalid, 3280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1457 IncrementalHoareTripleChecker+Valid, 1817 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:03:04,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2286 Valid, 5797 Invalid, 3280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1457 Valid, 1817 Invalid, 6 Unknown, 0 Unchecked, 26.9s Time] [2021-12-18 13:03:04,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28815 states. [2021-12-18 13:03:06,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28815 to 27885. [2021-12-18 13:03:06,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27885 states, 19849 states have (on average 1.2942213713537205) internal successors, (25689), 20121 states have internal predecessors, (25689), 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) [2021-12-18 13:03:06,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27885 states to 27885 states and 38719 transitions. [2021-12-18 13:03:06,205 INFO L78 Accepts]: Start accepts. Automaton has 27885 states and 38719 transitions. Word has length 306 [2021-12-18 13:03:06,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:03:06,205 INFO L470 AbstractCegarLoop]: Abstraction has 27885 states and 38719 transitions. [2021-12-18 13:03:06,206 INFO L471 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) [2021-12-18 13:03:06,206 INFO L276 IsEmpty]: Start isEmpty. Operand 27885 states and 38719 transitions. [2021-12-18 13:03:06,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-12-18 13:03:06,219 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:03:06,219 INFO L514 BasicCegarLoop]: 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] [2021-12-18 13:03:06,220 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 13:03:06,220 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:03:06,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:03:06,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1097833708, now seen corresponding path program 1 times [2021-12-18 13:03:06,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:03:06,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823308332] [2021-12-18 13:03:06,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:03:06,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:03:06,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:03:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:03:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:03:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:03:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:03:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:03:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:03:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:03:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:03:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:03:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:03:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:03:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:03:06,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:03:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:03:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:03:06,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:03:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:03:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:03:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:03:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 13:03:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-18 13:03:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-18 13:03:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:03:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:03:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 13:03:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 13:03:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-18 13:03:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 13:03:06,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:06,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-12-18 13:03:06,688 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:03:06,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823308332] [2021-12-18 13:03:06,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823308332] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:03:06,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:03:06,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:03:06,689 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861476918] [2021-12-18 13:03:06,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:03:06,690 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:03:06,690 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:03:06,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:03:06,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:03:06,691 INFO L87 Difference]: Start difference. First operand 27885 states and 38719 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) [2021-12-18 13:03:10,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:18,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:19,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:20,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:03:20,988 INFO L93 Difference]: Finished difference Result 57462 states and 79851 transitions. [2021-12-18 13:03:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:03:20,989 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 [2021-12-18 13:03:20,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:03:21,136 INFO L225 Difference]: With dead ends: 57462 [2021-12-18 13:03:21,137 INFO L226 Difference]: Without dead ends: 29620 [2021-12-18 13:03:21,198 INFO L932 BasicCegarLoop]: 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 [2021-12-18 13:03:21,198 INFO L933 BasicCegarLoop]: 1880 mSDtfsCounter, 1089 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 1013 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 5192 SdHoareTripleChecker+Invalid, 2423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1013 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2021-12-18 13:03:21,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1177 Valid, 5192 Invalid, 2423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1013 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2021-12-18 13:03:21,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29620 states. [2021-12-18 13:03:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29620 to 28705. [2021-12-18 13:03:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28705 states, 20428 states have (on average 1.2898472684550617) internal successors, (26349), 20701 states have internal predecessors, (26349), 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) [2021-12-18 13:03:22,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28705 states to 28705 states and 39607 transitions. [2021-12-18 13:03:22,134 INFO L78 Accepts]: Start accepts. Automaton has 28705 states and 39607 transitions. Word has length 310 [2021-12-18 13:03:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:03:22,135 INFO L470 AbstractCegarLoop]: Abstraction has 28705 states and 39607 transitions. [2021-12-18 13:03:22,136 INFO L471 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) [2021-12-18 13:03:22,136 INFO L276 IsEmpty]: Start isEmpty. Operand 28705 states and 39607 transitions. [2021-12-18 13:03:22,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-12-18 13:03:22,141 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:03:22,142 INFO L514 BasicCegarLoop]: 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] [2021-12-18 13:03:22,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 13:03:22,142 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:03:22,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:03:22,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1926793639, now seen corresponding path program 1 times [2021-12-18 13:03:22,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:03:22,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627094434] [2021-12-18 13:03:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:03:22,143 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:03:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:03:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:03:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:03:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:03:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:03:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:03:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:03:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:03:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:03:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:03:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:03:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:03:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:03:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:03:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:03:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:03:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:03:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:03:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:03:22,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:03:22,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 13:03:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:03:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:03:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 13:03:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:03:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:03:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-18 13:03:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 13:03:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:03:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 13:03:22,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 13:03:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-18 13:03:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-18 13:03:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:22,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2021-12-18 13:03:22,498 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:03:22,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627094434] [2021-12-18 13:03:22,498 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627094434] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:03:22,498 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:03:22,498 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:03:22,499 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385090723] [2021-12-18 13:03:22,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:03:22,500 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:03:22,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:03:22,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:03:22,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:03:22,501 INFO L87 Difference]: Start difference. First operand 28705 states and 39607 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) [2021-12-18 13:03:28,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:32,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:34,473 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:36,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:38,981 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:43,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:03:43,611 INFO L93 Difference]: Finished difference Result 82095 states and 113426 transitions. [2021-12-18 13:03:43,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:03:43,615 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 [2021-12-18 13:03:43,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:03:43,954 INFO L225 Difference]: With dead ends: 82095 [2021-12-18 13:03:43,954 INFO L226 Difference]: Without dead ends: 53433 [2021-12-18 13:03:44,026 INFO L932 BasicCegarLoop]: 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 [2021-12-18 13:03:44,028 INFO L933 BasicCegarLoop]: 2201 mSDtfsCounter, 2021 mSDsluCounter, 3562 mSDsCounter, 0 mSdLazyCounter, 1780 mSolverCounterSat, 1397 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2273 SdHoareTripleChecker+Valid, 5763 SdHoareTripleChecker+Invalid, 3182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1397 IncrementalHoareTripleChecker+Valid, 1780 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2021-12-18 13:03:44,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2273 Valid, 5763 Invalid, 3182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1397 Valid, 1780 Invalid, 5 Unknown, 0 Unchecked, 20.2s Time] [2021-12-18 13:03:44,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53433 states. [2021-12-18 13:03:45,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53433 to 51743. [2021-12-18 13:03:45,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51743 states, 37003 states have (on average 1.2828149068994406) internal successors, (47468), 37563 states have internal predecessors, (47468), 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) [2021-12-18 13:03:45,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51743 states to 51743 states and 70822 transitions. [2021-12-18 13:03:45,937 INFO L78 Accepts]: Start accepts. Automaton has 51743 states and 70822 transitions. Word has length 330 [2021-12-18 13:03:45,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:03:45,939 INFO L470 AbstractCegarLoop]: Abstraction has 51743 states and 70822 transitions. [2021-12-18 13:03:45,940 INFO L471 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) [2021-12-18 13:03:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 51743 states and 70822 transitions. [2021-12-18 13:03:45,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-12-18 13:03:45,965 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:03:45,965 INFO L514 BasicCegarLoop]: 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, 1, 1, 1, 1] [2021-12-18 13:03:45,965 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 13:03:45,966 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:03:45,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:03:45,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1429851763, now seen corresponding path program 1 times [2021-12-18 13:03:45,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:03:45,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253851569] [2021-12-18 13:03:45,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:03:45,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:03:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:03:46,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:03:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:03:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:03:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:03:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:03:46,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:03:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:03:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:03:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:03:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:03:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:03:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:03:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:03:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:03:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:03:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:03:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:03:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:03:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:03:46,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 13:03:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 13:03:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 13:03:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 13:03:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-12-18 13:03:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-18 13:03:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 13:03:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-12-18 13:03:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 13:03:46,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-12-18 13:03:46,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:03:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-12-18 13:03:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 13:03:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 13:03:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:03:46,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2021-12-18 13:03:46,450 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:03:46,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253851569] [2021-12-18 13:03:46,451 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253851569] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:03:46,451 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:03:46,451 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:03:46,451 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143062707] [2021-12-18 13:03:46,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:03:46,452 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:03:46,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:03:46,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:03:46,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:03:46,453 INFO L87 Difference]: Start difference. First operand 51743 states and 70822 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 13:03:53,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:55,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:03:57,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:00,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:02,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:05,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:09,594 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:12,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:15,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:17,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:19,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:21,633 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:23,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:26,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:27,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:04:27,277 INFO L93 Difference]: Finished difference Result 123271 states and 168847 transitions. [2021-12-18 13:04:27,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:04:27,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 368 [2021-12-18 13:04:27,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:04:27,588 INFO L225 Difference]: With dead ends: 123271 [2021-12-18 13:04:27,588 INFO L226 Difference]: Without dead ends: 71681 [2021-12-18 13:04:27,723 INFO L932 BasicCegarLoop]: 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 [2021-12-18 13:04:27,724 INFO L933 BasicCegarLoop]: 2721 mSDtfsCounter, 1697 mSDsluCounter, 3829 mSDsCounter, 0 mSdLazyCounter, 1647 mSolverCounterSat, 891 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 6550 SdHoareTripleChecker+Invalid, 2550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 891 IncrementalHoareTripleChecker+Valid, 1647 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.3s IncrementalHoareTripleChecker+Time [2021-12-18 13:04:27,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1950 Valid, 6550 Invalid, 2550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [891 Valid, 1647 Invalid, 12 Unknown, 0 Unchecked, 39.3s Time] [2021-12-18 13:04:27,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71681 states. [2021-12-18 13:04:29,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71681 to 69559. [2021-12-18 13:04:29,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69559 states, 49919 states have (on average 1.2791522266071036) internal successors, (63854), 50647 states have internal predecessors, (63854), 15295 states have call successors, (15295), 4344 states have call predecessors, (15295), 4344 states have return successors, (15295), 14863 states have call predecessors, (15295), 15295 states have call successors, (15295) [2021-12-18 13:04:29,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69559 states to 69559 states and 94444 transitions. [2021-12-18 13:04:29,753 INFO L78 Accepts]: Start accepts. Automaton has 69559 states and 94444 transitions. Word has length 368 [2021-12-18 13:04:29,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:04:29,754 INFO L470 AbstractCegarLoop]: Abstraction has 69559 states and 94444 transitions. [2021-12-18 13:04:29,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (38), 4 states have call predecessors, (38), 1 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2021-12-18 13:04:29,754 INFO L276 IsEmpty]: Start isEmpty. Operand 69559 states and 94444 transitions. [2021-12-18 13:04:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-12-18 13:04:29,777 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:04:29,777 INFO L514 BasicCegarLoop]: 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] [2021-12-18 13:04:29,777 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 13:04:29,778 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:04:29,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:04:29,778 INFO L85 PathProgramCache]: Analyzing trace with hash 219900992, now seen corresponding path program 1 times [2021-12-18 13:04:29,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:04:29,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696278267] [2021-12-18 13:04:29,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:04:29,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:04:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:04:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:04:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:04:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:04:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:04:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:04:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:04:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:04:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:04:29,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:04:29,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:04:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:04:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:29,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:04:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:04:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:04:30,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:04:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:04:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:04:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:04:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:30,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:04:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 13:04:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 13:04:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 13:04:30,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 13:04:30,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-18 13:04:30,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 13:04:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 13:04:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 13:04:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 13:04:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:04:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:04:30,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:04:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:04:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 13:04:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 13:04:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 13:04:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:04:30,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2021-12-18 13:04:30,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:04:30,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696278267] [2021-12-18 13:04:30,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696278267] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:04:30,337 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:04:30,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:04:30,338 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142591128] [2021-12-18 13:04:30,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:04:30,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:04:30,339 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:04:30,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:04:30,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:04:30,339 INFO L87 Difference]: Start difference. First operand 69559 states and 94444 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) [2021-12-18 13:04:35,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:36,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:38,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:40,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:43,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:49,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:51,160 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:53,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:55,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:57,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:04:59,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:01,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:02,889 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:05,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:09,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:12,103 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 [] [2021-12-18 13:05:13,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:05:13,975 INFO L93 Difference]: Finished difference Result 207795 states and 283577 transitions. [2021-12-18 13:05:13,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:05:13,976 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 369 [2021-12-18 13:05:13,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:05:14,663 INFO L225 Difference]: With dead ends: 207795 [2021-12-18 13:05:14,663 INFO L226 Difference]: Without dead ends: 138389 [2021-12-18 13:05:14,837 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:05:14,837 INFO L933 BasicCegarLoop]: 3394 mSDtfsCounter, 1813 mSDsluCounter, 4958 mSDsCounter, 0 mSdLazyCounter, 2085 mSolverCounterSat, 929 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2088 SdHoareTripleChecker+Valid, 8352 SdHoareTripleChecker+Invalid, 3023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 929 IncrementalHoareTripleChecker+Valid, 2085 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.8s IncrementalHoareTripleChecker+Time [2021-12-18 13:05:14,838 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2088 Valid, 8352 Invalid, 3023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [929 Valid, 2085 Invalid, 9 Unknown, 0 Unchecked, 40.8s Time] [2021-12-18 13:05:14,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138389 states. [2021-12-18 13:05:18,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138389 to 134211. [2021-12-18 13:05:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134211 states, 96595 states have (on average 1.2794658108597754) internal successors, (123590), 97715 states have internal predecessors, (123590), 29219 states have call successors, (29219), 8396 states have call predecessors, (29219), 8396 states have return successors, (29219), 28691 states have call predecessors, (29219), 29219 states have call successors, (29219) [2021-12-18 13:05:19,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134211 states to 134211 states and 182028 transitions. [2021-12-18 13:05:19,078 INFO L78 Accepts]: Start accepts. Automaton has 134211 states and 182028 transitions. Word has length 369 [2021-12-18 13:05:19,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:05:19,078 INFO L470 AbstractCegarLoop]: Abstraction has 134211 states and 182028 transitions. [2021-12-18 13:05:19,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-18 13:05:19,079 INFO L276 IsEmpty]: Start isEmpty. Operand 134211 states and 182028 transitions. [2021-12-18 13:05:19,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-12-18 13:05:19,103 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:05:19,104 INFO L514 BasicCegarLoop]: 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] [2021-12-18 13:05:19,104 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 13:05:19,104 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:05:19,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:05:19,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1686502274, now seen corresponding path program 1 times [2021-12-18 13:05:19,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:05:19,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106839785] [2021-12-18 13:05:19,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:05:19,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:05:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:05:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:05:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:05:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:05:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:05:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:05:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:05:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:05:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:05:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:05:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:05:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:05:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:05:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:05:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:05:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:05:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:05:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:05:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:05:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:05:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 13:05:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 13:05:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 13:05:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 13:05:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-18 13:05:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 13:05:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-12-18 13:05:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-12-18 13:05:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-12-18 13:05:19,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:05:19,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:05:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:05:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-12-18 13:05:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 13:05:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 13:05:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 13:05:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:05:19,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2021-12-18 13:05:19,606 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:05:19,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106839785] [2021-12-18 13:05:19,606 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106839785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:05:19,606 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:05:19,606 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:05:19,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291914896] [2021-12-18 13:05:19,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:05:19,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:05:19,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:05:19,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:05:19,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:05:19,608 INFO L87 Difference]: Start difference. First operand 134211 states and 182028 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) [2021-12-18 13:05:24,956 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:27,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:29,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:31,115 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:32,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:35,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:42,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:44,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:46,496 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:50,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:53,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:55,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:05:58,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:05:58,354 INFO L93 Difference]: Finished difference Result 339279 states and 462234 transitions. [2021-12-18 13:05:58,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:05:58,355 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 369 [2021-12-18 13:05:58,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:05:59,330 INFO L225 Difference]: With dead ends: 339279 [2021-12-18 13:05:59,330 INFO L226 Difference]: Without dead ends: 204116 [2021-12-18 13:05:59,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:05:59,619 INFO L933 BasicCegarLoop]: 2784 mSDtfsCounter, 1938 mSDsluCounter, 4282 mSDsCounter, 0 mSdLazyCounter, 1900 mSolverCounterSat, 1229 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2212 SdHoareTripleChecker+Valid, 7066 SdHoareTripleChecker+Invalid, 3136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1229 IncrementalHoareTripleChecker+Valid, 1900 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2021-12-18 13:05:59,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2212 Valid, 7066 Invalid, 3136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1229 Valid, 1900 Invalid, 7 Unknown, 0 Unchecked, 34.3s Time] [2021-12-18 13:05:59,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204116 states. [2021-12-18 13:06:04,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204116 to 197850. [2021-12-18 13:06:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197850 states, 142329 states have (on average 1.2805050270851337) internal successors, (182253), 143837 states have internal predecessors, (182253), 43091 states have call successors, (43091), 12429 states have call predecessors, (43091), 12429 states have return successors, (43091), 42470 states have call predecessors, (43091), 43091 states have call successors, (43091) [2021-12-18 13:06:05,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197850 states to 197850 states and 268435 transitions. [2021-12-18 13:06:05,977 INFO L78 Accepts]: Start accepts. Automaton has 197850 states and 268435 transitions. Word has length 369 [2021-12-18 13:06:05,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:06:05,978 INFO L470 AbstractCegarLoop]: Abstraction has 197850 states and 268435 transitions. [2021-12-18 13:06:05,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-18 13:06:05,978 INFO L276 IsEmpty]: Start isEmpty. Operand 197850 states and 268435 transitions. [2021-12-18 13:06:06,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-12-18 13:06:06,004 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:06:06,005 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:06:06,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 13:06:06,005 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:06:06,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:06:06,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1726341772, now seen corresponding path program 1 times [2021-12-18 13:06:06,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:06:06,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245377930] [2021-12-18 13:06:06,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:06:06,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:06:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:06:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:06:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:06:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:06:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:06:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:06:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:06:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:06:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:06:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:06:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:06:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:06:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:06:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:06:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:06:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:06:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:06:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:06:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:06:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:06:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 13:06:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 13:06:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 13:06:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 13:06:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-18 13:06:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 13:06:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 13:06:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 13:06:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 13:06:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:06:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 13:06:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:06:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:06:06,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:06:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 13:06:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 13:06:06,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 13:06:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:06:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:06,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2096 trivial. 0 not checked. [2021-12-18 13:06:06,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:06:06,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1245377930] [2021-12-18 13:06:06,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1245377930] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:06:06,347 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:06:06,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:06:06,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852562912] [2021-12-18 13:06:06,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:06:06,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:06:06,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:06:06,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:06:06,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:06:06,349 INFO L87 Difference]: Start difference. First operand 197850 states and 268435 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-18 13:06:12,636 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:06:17,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:06:19,748 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:06:21,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:06:23,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:06:27,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:06:30,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:06:32,607 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:06:36,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:06:40,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:06:40,412 INFO L93 Difference]: Finished difference Result 468069 states and 637388 transitions. [2021-12-18 13:06:40,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:06:40,413 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 395 [2021-12-18 13:06:40,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:06:41,775 INFO L225 Difference]: With dead ends: 468069 [2021-12-18 13:06:41,775 INFO L226 Difference]: Without dead ends: 269843 [2021-12-18 13:06:42,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:06:42,223 INFO L933 BasicCegarLoop]: 3181 mSDtfsCounter, 1923 mSDsluCounter, 4765 mSDsCounter, 0 mSdLazyCounter, 1999 mSolverCounterSat, 993 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 7946 SdHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 1999 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:06:42,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2196 Valid, 7946 Invalid, 2996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [993 Valid, 1999 Invalid, 4 Unknown, 0 Unchecked, 27.9s Time] [2021-12-18 13:06:42,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269843 states. [2021-12-18 13:06:48,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269843 to 197850. [2021-12-18 13:06:48,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197850 states, 142329 states have (on average 1.2804980011101041) internal successors, (182252), 143837 states have internal predecessors, (182252), 43091 states have call successors, (43091), 12429 states have call predecessors, (43091), 12429 states have return successors, (43091), 42470 states have call predecessors, (43091), 43091 states have call successors, (43091) [2021-12-18 13:06:49,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197850 states to 197850 states and 268434 transitions. [2021-12-18 13:06:49,414 INFO L78 Accepts]: Start accepts. Automaton has 197850 states and 268434 transitions. Word has length 395 [2021-12-18 13:06:49,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:06:49,415 INFO L470 AbstractCegarLoop]: Abstraction has 197850 states and 268434 transitions. [2021-12-18 13:06:49,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-18 13:06:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 197850 states and 268434 transitions. [2021-12-18 13:06:49,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-12-18 13:06:49,820 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:06:49,820 INFO L514 BasicCegarLoop]: trace histogram [26, 26, 19, 19, 19, 19, 19, 19, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:06:49,820 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 13:06:49,820 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:06:49,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:06:49,821 INFO L85 PathProgramCache]: Analyzing trace with hash -180061494, now seen corresponding path program 1 times [2021-12-18 13:06:49,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:06:49,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519070985] [2021-12-18 13:06:49,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:06:49,821 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:06:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:49,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:06:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:49,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:06:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:06:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:06:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:06:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:06:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:06:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:06:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:06:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:06:50,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:06:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:06:50,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:06:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:06:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:06:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:06:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:06:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:06:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:06:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 13:06:50,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 13:06:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 13:06:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-18 13:06:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 13:06:50,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-12-18 13:06:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 13:06:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 13:06:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 13:06:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-12-18 13:06:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:06:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 13:06:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:06:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:06:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:06:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:06:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 13:06:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 13:06:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-18 13:06:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:06:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:06:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2096 trivial. 0 not checked. [2021-12-18 13:06:50,190 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:06:50,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519070985] [2021-12-18 13:06:50,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519070985] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:06:50,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:06:50,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:06:50,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254585027] [2021-12-18 13:06:50,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:06:50,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:06:50,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:06:50,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:06:50,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:06:50,192 INFO L87 Difference]: Start difference. First operand 197850 states and 268434 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2021-12-18 13:06:56,638 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:00,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:02,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:05,440 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:09,336 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:11,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:13,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:15,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:18,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:20,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:23,812 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:27,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:07:29,500 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 []