./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 0f8a17c6 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 0.2.1-dev-0f8a17c [2021-11-17 09:55:30,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 09:55:30,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 09:55:30,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 09:55:30,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 09:55:30,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 09:55:30,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 09:55:30,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 09:55:30,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 09:55:30,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 09:55:30,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 09:55:30,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 09:55:30,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 09:55:30,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 09:55:30,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 09:55:30,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 09:55:30,546 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 09:55:30,547 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 09:55:30,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 09:55:30,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 09:55:30,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 09:55:30,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 09:55:30,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 09:55:30,558 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 09:55:30,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 09:55:30,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 09:55:30,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 09:55:30,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 09:55:30,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 09:55:30,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 09:55:30,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 09:55:30,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 09:55:30,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 09:55:30,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 09:55:30,571 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 09:55:30,571 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 09:55:30,572 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 09:55:30,572 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 09:55:30,572 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 09:55:30,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 09:55:30,573 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 09:55:30,574 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 09:55:30,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 09:55:30,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 09:55:30,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 09:55:30,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 09:55:30,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 09:55:30,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 09:55:30,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 09:55:30,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 09:55:30,604 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 09:55:30,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 09:55:30,605 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 09:55:30,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 09:55:30,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 09:55:30,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 09:55:30,606 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 09:55:30,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 09:55:30,606 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 09:55:30,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 09:55:30,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 09:55:30,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 09:55:30,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 09:55:30,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 09:55:30,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 09:55:30,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 09:55:30,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 09:55:30,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 09:55:30,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 09:55:30,608 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 09:55:30,608 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 09:55:30,608 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 09:55:30,609 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 09:55:30,609 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a536358e61e0a2255e3ce0de609a7b791794491b46be2e56aac063bb1d719b1 [2021-11-17 09:55:30,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 09:55:30,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 09:55:30,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 09:55:30,845 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 09:55:30,845 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 09:55:30,846 INFO L432 ainManager$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 [2021-11-17 09:55:30,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816c40615/625445ba975f43fcb1f4f87e6d5f22f7/FLAGae62ef940 [2021-11-17 09:55:31,555 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 09:55:31,555 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 [2021-11-17 09:55:31,585 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816c40615/625445ba975f43fcb1f4f87e6d5f22f7/FLAGae62ef940 [2021-11-17 09:55:31,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/816c40615/625445ba975f43fcb1f4f87e6d5f22f7 [2021-11-17 09:55:31,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 09:55:31,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 09:55:31,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 09:55:31,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 09:55:31,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 09:55:31,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 09:55:31" (1/1) ... [2021-11-17 09:55:31,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2495e015 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:31, skipping insertion in model container [2021-11-17 09:55:31,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 09:55:31" (1/1) ... [2021-11-17 09:55:31,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 09:55:32,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 09:55:33,657 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] [2021-11-17 09:55:33,660 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] [2021-11-17 09:55:33,673 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 09:55:33,709 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 09:55:33,997 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] [2021-11-17 09:55:33,997 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] [2021-11-17 09:55:34,009 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 09:55:34,098 INFO L208 MainTranslator]: Completed translation [2021-11-17 09:55:34,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34 WrapperNode [2021-11-17 09:55:34,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 09:55:34,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 09:55:34,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 09:55:34,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 09:55:34,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,347 INFO L137 Inliner]: procedures = 363, calls = 2922, calls flagged for inlining = 178, calls inlined = 134, statements flattened = 4855 [2021-11-17 09:55:34,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 09:55:34,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 09:55:34,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 09:55:34,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 09:55:34,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,602 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 09:55:34,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 09:55:34,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 09:55:34,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 09:55:34,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (1/1) ... [2021-11-17 09:55:34,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 09:55:34,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 09:55:34,656 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) [2021-11-17 09:55:34,671 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 [2021-11-17 09:55:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-17 09:55:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-17 09:55:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-17 09:55:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-17 09:55:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-17 09:55:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 09:55:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 09:55:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 09:55:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 09:55:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 09:55:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 09:55:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2021-11-17 09:55:34,683 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2021-11-17 09:55:34,683 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 09:55:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 09:55:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2021-11-17 09:55:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2021-11-17 09:55:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 09:55:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 09:55:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure send_packet [2021-11-17 09:55:34,684 INFO L138 BoogieDeclarations]: Found implementation of procedure send_packet [2021-11-17 09:55:34,684 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2021-11-17 09:55:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2021-11-17 09:55:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 09:55:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 09:55:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure imon_disconnect [2021-11-17 09:55:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_disconnect [2021-11-17 09:55:34,685 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister_dev [2021-11-17 09:55:34,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister_dev [2021-11-17 09:55:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_5_4 [2021-11-17 09:55:34,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_5_4 [2021-11-17 09:55:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-11-17 09:55:34,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-11-17 09:55:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 09:55:34,686 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-11-17 09:55:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-11-17 09:55:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 09:55:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 09:55:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 09:55:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 09:55:34,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 09:55:34,687 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-11-17 09:55:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-11-17 09:55:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 09:55:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 09:55:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2021-11-17 09:55:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_imon_driver_exit_11_2 [2021-11-17 09:55:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure imon_resume [2021-11-17 09:55:34,688 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_resume [2021-11-17 09:55:34,688 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 09:55:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 09:55:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 09:55:34,689 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 09:55:34,689 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-17 09:55:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-17 09:55:34,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 09:55:34,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 09:55:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2021-11-17 09:55:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2021-11-17 09:55:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-11-17 09:55:34,691 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-11-17 09:55:34,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 09:55:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 09:55:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 09:55:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-17 09:55:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-17 09:55:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2021-11-17 09:55:34,692 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2021-11-17 09:55:34,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 09:55:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 09:55:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 09:55:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-11-17 09:55:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-11-17 09:55:34,693 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-11-17 09:55:34,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-11-17 09:55:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 09:55:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-17 09:55:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-17 09:55:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 09:55:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 09:55:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 09:55:34,694 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 09:55:34,694 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-17 09:55:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-17 09:55:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-17 09:55:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-17 09:55:34,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 09:55:34,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 09:55:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-17 09:55:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-17 09:55:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 09:55:34,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 09:55:34,696 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-17 09:55:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-17 09:55:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 09:55:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 09:55:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 09:55:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure usb_to_input_id [2021-11-17 09:55:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_to_input_id [2021-11-17 09:55:34,697 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-11-17 09:55:34,697 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-11-17 09:55:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2021-11-17 09:55:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2021-11-17 09:55:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 09:55:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 09:55:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 09:55:34,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 09:55:34,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 09:55:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-11-17 09:55:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-11-17 09:55:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 09:55:34,699 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 09:55:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 09:55:34,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 09:55:34,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 09:55:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 09:55:34,700 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-11-17 09:55:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-11-17 09:55:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 09:55:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure display_close [2021-11-17 09:55:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure display_close [2021-11-17 09:55:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-11-17 09:55:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-11-17 09:55:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 09:55:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 09:55:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 09:55:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 09:55:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 09:55:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 09:55:34,708 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_dev [2021-11-17 09:55:34,708 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_dev [2021-11-17 09:55:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-17 09:55:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-17 09:55:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 09:55:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 09:55:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-11-17 09:55:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-11-17 09:55:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure imon_find_endpoints [2021-11-17 09:55:34,709 INFO L138 BoogieDeclarations]: Found implementation of procedure imon_find_endpoints [2021-11-17 09:55:34,709 INFO L130 BoogieDeclarations]: Found specification of procedure display_open [2021-11-17 09:55:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure display_open [2021-11-17 09:55:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 09:55:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-17 09:55:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-17 09:55:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 09:55:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 09:55:34,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 09:55:34,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 09:55:35,334 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 09:55:35,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 09:55:35,473 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 09:55:52,124 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 09:55:52,159 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 09:55:52,177 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 09:55:52,178 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-17 09:55:52,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 09:55:52 BoogieIcfgContainer [2021-11-17 09:55:52,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 09:55:52,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 09:55:52,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 09:55:52,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 09:55:52,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 09:55:31" (1/3) ... [2021-11-17 09:55:52,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e49bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 09:55:52, skipping insertion in model container [2021-11-17 09:55:52,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 09:55:34" (2/3) ... [2021-11-17 09:55:52,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70e49bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 09:55:52, skipping insertion in model container [2021-11-17 09:55:52,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 09:55:52" (3/3) ... [2021-11-17 09:55:52,185 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-media-rc-imon.cil.i [2021-11-17 09:55:52,188 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 09:55:52,188 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 09:55:52,234 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 09:55:52,244 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 [2021-11-17 09:55:52,244 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 09:55:52,282 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) [2021-11-17 09:55:52,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-17 09:55:52,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:55:52,305 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] [2021-11-17 09:55:52,306 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 09:55:52,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:55:52,309 INFO L85 PathProgramCache]: Analyzing trace with hash -1456598668, now seen corresponding path program 1 times [2021-11-17 09:55:52,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:55:52,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151374398] [2021-11-17 09:55:52,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:55:52,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:55:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 09:55:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 09:55:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 09:55:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 09:55:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:52,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:55:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 09:55:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 09:55:52,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 09:55:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:55:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 09:55:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 09:55:53,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 09:55:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 09:55:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 09:55:53,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:55:53,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 09:55:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:55:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:55:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 09:55:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 09:55:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-17 09:55:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:55:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 09:55:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 09:55:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-17 09:55:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:55:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2021-11-17 09:55:53,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:55:53,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151374398] [2021-11-17 09:55:53,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151374398] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:55:53,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:55:53,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:55:53,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529547777] [2021-11-17 09:55:53,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:55:53,216 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:55:53,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:55:53,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:55:53,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:55:53,235 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) [2021-11-17 09:55:55,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:55:57,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:55:59,430 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:04,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:05,891 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:09,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:11,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:13,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:18,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:56:18,786 INFO L93 Difference]: Finished difference Result 3490 states and 5058 transitions. [2021-11-17 09:56:18,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 09:56:18,789 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 [2021-11-17 09:56:18,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:56:18,820 INFO L225 Difference]: With dead ends: 3490 [2021-11-17 09:56:18,820 INFO L226 Difference]: Without dead ends: 2093 [2021-11-17 09:56:18,834 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 [2021-11-17 09:56:18,842 INFO L933 BasicCegarLoop]: 2015 mSDtfsCounter, 1521 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 1628 mSolverCounterSat, 1330 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1692 SdHoareTripleChecker+Valid, 5401 SdHoareTripleChecker+Invalid, 2965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1330 IncrementalHoareTripleChecker+Valid, 1628 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2021-11-17 09:56:18,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1692 Valid, 5401 Invalid, 2965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1330 Valid, 1628 Invalid, 7 Unknown, 0 Unchecked, 25.2s Time] [2021-11-17 09:56:18,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2093 states. [2021-11-17 09:56:18,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2093 to 2032. [2021-11-17 09:56:18,995 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) [2021-11-17 09:56:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 2032 states and 2867 transitions. [2021-11-17 09:56:19,005 INFO L78 Accepts]: Start accepts. Automaton has 2032 states and 2867 transitions. Word has length 272 [2021-11-17 09:56:19,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:56:19,006 INFO L470 AbstractCegarLoop]: Abstraction has 2032 states and 2867 transitions. [2021-11-17 09:56:19,007 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) [2021-11-17 09:56:19,007 INFO L276 IsEmpty]: Start isEmpty. Operand 2032 states and 2867 transitions. [2021-11-17 09:56:19,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-17 09:56:19,013 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:56:19,013 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] [2021-11-17 09:56:19,014 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 09:56:19,014 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 09:56:19,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:56:19,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1145822950, now seen corresponding path program 1 times [2021-11-17 09:56:19,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:56:19,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007233665] [2021-11-17 09:56:19,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:56:19,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:56:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 09:56:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 09:56:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 09:56:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 09:56:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:56:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 09:56:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 09:56:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 09:56:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:56:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 09:56:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 09:56:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 09:56:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 09:56:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 09:56:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:56:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 09:56:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:56:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:56:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 09:56:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 09:56:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 09:56:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:56:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:56:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-11-17 09:56:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-11-17 09:56:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-17 09:56:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 09:56:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:19,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-11-17 09:56:19,646 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:56:19,646 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007233665] [2021-11-17 09:56:19,646 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007233665] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:56:19,646 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:56:19,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:56:19,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140283941] [2021-11-17 09:56:19,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:56:19,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:56:19,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:56:19,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:56:19,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:56:19,650 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) [2021-11-17 09:56:21,687 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:23,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:25,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:31,533 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:34,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:38,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:39,262 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:41,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:43,963 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:46,096 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:47,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:56:47,775 INFO L93 Difference]: Finished difference Result 5992 states and 8512 transitions. [2021-11-17 09:56:47,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 09:56:47,775 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 [2021-11-17 09:56:47,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:56:47,796 INFO L225 Difference]: With dead ends: 5992 [2021-11-17 09:56:47,796 INFO L226 Difference]: Without dead ends: 4003 [2021-11-17 09:56:47,802 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 [2021-11-17 09:56:47,802 INFO L933 BasicCegarLoop]: 2026 mSDtfsCounter, 2172 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 1525 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2441 SdHoareTripleChecker+Valid, 5418 SdHoareTripleChecker+Invalid, 3280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1525 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.9s IncrementalHoareTripleChecker+Time [2021-11-17 09:56:47,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2441 Valid, 5418 Invalid, 3280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1525 Valid, 1747 Invalid, 8 Unknown, 0 Unchecked, 27.9s Time] [2021-11-17 09:56:47,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4003 states. [2021-11-17 09:56:47,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4003 to 3885. [2021-11-17 09:56:47,961 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) [2021-11-17 09:56:47,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3885 states to 3885 states and 5471 transitions. [2021-11-17 09:56:47,975 INFO L78 Accepts]: Start accepts. Automaton has 3885 states and 5471 transitions. Word has length 288 [2021-11-17 09:56:47,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:56:47,976 INFO L470 AbstractCegarLoop]: Abstraction has 3885 states and 5471 transitions. [2021-11-17 09:56:47,976 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) [2021-11-17 09:56:47,976 INFO L276 IsEmpty]: Start isEmpty. Operand 3885 states and 5471 transitions. [2021-11-17 09:56:47,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-17 09:56:47,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:56:47,985 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] [2021-11-17 09:56:47,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 09:56:47,985 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 09:56:47,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:56:47,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1325060788, now seen corresponding path program 1 times [2021-11-17 09:56:47,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:56:47,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959078274] [2021-11-17 09:56:47,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:56:47,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:56:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 09:56:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 09:56:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 09:56:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 09:56:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:56:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 09:56:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 09:56:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 09:56:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:56:48,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 09:56:48,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 09:56:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 09:56:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 09:56:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 09:56:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:56:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 09:56:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:56:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:56:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 09:56:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 09:56:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 09:56:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-11-17 09:56:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 09:56:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:56:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 09:56:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 09:56:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 09:56:48,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:56:48,348 INFO L134 CoverageAnalysis]: Checked inductivity of 1665 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1656 trivial. 0 not checked. [2021-11-17 09:56:48,348 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:56:48,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959078274] [2021-11-17 09:56:48,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959078274] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:56:48,349 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:56:48,349 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:56:48,349 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782170343] [2021-11-17 09:56:48,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:56:48,351 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:56:48,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:56:48,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:56:48,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:56:48,352 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) [2021-11-17 09:56:50,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:52,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:56:54,564 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:01,106 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:02,499 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:05,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:07,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:10,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:11,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:57:11,757 INFO L93 Difference]: Finished difference Result 11765 states and 16676 transitions. [2021-11-17 09:57:11,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 09:57:11,758 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 [2021-11-17 09:57:11,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:57:11,787 INFO L225 Difference]: With dead ends: 11765 [2021-11-17 09:57:11,787 INFO L226 Difference]: Without dead ends: 7923 [2021-11-17 09:57:11,796 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 [2021-11-17 09:57:11,798 INFO L933 BasicCegarLoop]: 2645 mSDtfsCounter, 2120 mSDsluCounter, 4107 mSDsCounter, 0 mSdLazyCounter, 1932 mSolverCounterSat, 1261 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2405 SdHoareTripleChecker+Valid, 6752 SdHoareTripleChecker+Invalid, 3199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1261 IncrementalHoareTripleChecker+Valid, 1932 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2021-11-17 09:57:11,799 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2405 Valid, 6752 Invalid, 3199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1261 Valid, 1932 Invalid, 6 Unknown, 0 Unchecked, 23.2s Time] [2021-11-17 09:57:11,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7923 states. [2021-11-17 09:57:11,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7923 to 7693. [2021-11-17 09:57:11,980 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) [2021-11-17 09:57:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7693 states to 7693 states and 10827 transitions. [2021-11-17 09:57:12,004 INFO L78 Accepts]: Start accepts. Automaton has 7693 states and 10827 transitions. Word has length 297 [2021-11-17 09:57:12,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:57:12,005 INFO L470 AbstractCegarLoop]: Abstraction has 7693 states and 10827 transitions. [2021-11-17 09:57:12,005 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) [2021-11-17 09:57:12,006 INFO L276 IsEmpty]: Start isEmpty. Operand 7693 states and 10827 transitions. [2021-11-17 09:57:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-11-17 09:57:12,012 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:57:12,012 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] [2021-11-17 09:57:12,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 09:57:12,013 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 09:57:12,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:57:12,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1635752877, now seen corresponding path program 1 times [2021-11-17 09:57:12,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:57:12,013 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669580969] [2021-11-17 09:57:12,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:57:12,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:57:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 09:57:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 09:57:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 09:57:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 09:57:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:57:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 09:57:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 09:57:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 09:57:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:57:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 09:57:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 09:57:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 09:57:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 09:57:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 09:57:12,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:57:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 09:57:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:57:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:57:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 09:57:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 09:57:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 09:57:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:57:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:57:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 09:57:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:57:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:57:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 09:57:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 09:57:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-11-17 09:57:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 09:57:12,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 09:57:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2021-11-17 09:57:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2021-11-17 09:57:12,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:57:12,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669580969] [2021-11-17 09:57:12,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669580969] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:57:12,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:57:12,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 09:57:12,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846896880] [2021-11-17 09:57:12,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:57:12,409 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 09:57:12,409 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:57:12,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 09:57:12,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 09:57:12,410 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) [2021-11-17 09:57:14,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:16,539 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:18,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:57:18,239 INFO L93 Difference]: Finished difference Result 22409 states and 31512 transitions. [2021-11-17 09:57:18,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 09:57:18,240 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 [2021-11-17 09:57:18,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:57:18,326 INFO L225 Difference]: With dead ends: 22409 [2021-11-17 09:57:18,339 INFO L226 Difference]: Without dead ends: 14759 [2021-11-17 09:57:18,375 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 [2021-11-17 09:57:18,375 INFO L933 BasicCegarLoop]: 2083 mSDtfsCounter, 1779 mSDsluCounter, 2660 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 696 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2003 SdHoareTripleChecker+Valid, 4743 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 696 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-17 09:57:18,376 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2003 Valid, 4743 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [696 Valid, 850 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2021-11-17 09:57:18,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14759 states. [2021-11-17 09:57:18,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14759 to 14589. [2021-11-17 09:57:18,794 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) [2021-11-17 09:57:18,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14589 states to 14589 states and 20383 transitions. [2021-11-17 09:57:18,837 INFO L78 Accepts]: Start accepts. Automaton has 14589 states and 20383 transitions. Word has length 320 [2021-11-17 09:57:18,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:57:18,838 INFO L470 AbstractCegarLoop]: Abstraction has 14589 states and 20383 transitions. [2021-11-17 09:57:18,839 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) [2021-11-17 09:57:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 14589 states and 20383 transitions. [2021-11-17 09:57:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-17 09:57:18,847 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:57:18,847 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] [2021-11-17 09:57:18,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 09:57:18,848 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 09:57:18,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:57:18,848 INFO L85 PathProgramCache]: Analyzing trace with hash 242474457, now seen corresponding path program 1 times [2021-11-17 09:57:18,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:57:18,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695575153] [2021-11-17 09:57:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:57:18,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:57:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 09:57:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 09:57:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 09:57:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 09:57:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:57:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 09:57:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 09:57:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 09:57:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:57:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 09:57:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 09:57:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 09:57:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 09:57:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 09:57:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:57:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 09:57:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:57:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:57:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 09:57:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 09:57:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2021-11-17 09:57:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:57:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:57:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 09:57:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 09:57:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2021-11-17 09:57:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 09:57:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:19,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-11-17 09:57:19,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:57:19,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695575153] [2021-11-17 09:57:19,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695575153] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:57:19,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:57:19,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:57:19,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419273424] [2021-11-17 09:57:19,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:57:19,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:57:19,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:57:19,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:57:19,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:57:19,248 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) [2021-11-17 09:57:21,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:23,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:25,431 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:31,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:33,774 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:36,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:39,256 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:43,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:45,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:47,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:49,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:57:49,380 INFO L93 Difference]: Finished difference Result 43361 states and 60708 transitions. [2021-11-17 09:57:49,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 09:57:49,381 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 [2021-11-17 09:57:49,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:57:49,541 INFO L225 Difference]: With dead ends: 43361 [2021-11-17 09:57:49,542 INFO L226 Difference]: Without dead ends: 28815 [2021-11-17 09:57:49,576 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 [2021-11-17 09:57:49,577 INFO L933 BasicCegarLoop]: 2229 mSDtfsCounter, 2016 mSDsluCounter, 3571 mSDsCounter, 0 mSdLazyCounter, 1814 mSolverCounterSat, 1457 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2285 SdHoareTripleChecker+Valid, 5800 SdHoareTripleChecker+Invalid, 3278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1457 IncrementalHoareTripleChecker+Valid, 1814 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2021-11-17 09:57:49,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2285 Valid, 5800 Invalid, 3278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1457 Valid, 1814 Invalid, 7 Unknown, 0 Unchecked, 29.5s Time] [2021-11-17 09:57:49,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28815 states. [2021-11-17 09:57:50,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28815 to 27885. [2021-11-17 09:57:50,457 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) [2021-11-17 09:57:50,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27885 states to 27885 states and 38719 transitions. [2021-11-17 09:57:50,680 INFO L78 Accepts]: Start accepts. Automaton has 27885 states and 38719 transitions. Word has length 306 [2021-11-17 09:57:50,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:57:50,681 INFO L470 AbstractCegarLoop]: Abstraction has 27885 states and 38719 transitions. [2021-11-17 09:57:50,681 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) [2021-11-17 09:57:50,681 INFO L276 IsEmpty]: Start isEmpty. Operand 27885 states and 38719 transitions. [2021-11-17 09:57:50,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2021-11-17 09:57:50,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:57:50,694 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] [2021-11-17 09:57:50,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 09:57:50,694 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 09:57:50,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:57:50,695 INFO L85 PathProgramCache]: Analyzing trace with hash -1097833708, now seen corresponding path program 1 times [2021-11-17 09:57:50,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:57:50,695 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920596801] [2021-11-17 09:57:50,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:57:50,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:57:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 09:57:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 09:57:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 09:57:50,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 09:57:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:57:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 09:57:50,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 09:57:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 09:57:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:57:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 09:57:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 09:57:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 09:57:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 09:57:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 09:57:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:57:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 09:57:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:57:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:57:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 09:57:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 09:57:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 09:57:51,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 09:57:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-11-17 09:57:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:57:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:57:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:57:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 09:57:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-11-17 09:57:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 09:57:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-11-17 09:57:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:57:51,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1671 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1668 trivial. 0 not checked. [2021-11-17 09:57:51,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:57:51,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920596801] [2021-11-17 09:57:51,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920596801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:57:51,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:57:51,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:57:51,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544405344] [2021-11-17 09:57:51,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:57:51,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:57:51,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:57:51,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:57:51,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:57:51,120 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) [2021-11-17 09:57:53,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:55,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:57:57,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:00,928 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:08,444 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:11,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:14,077 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:15,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:58:15,134 INFO L93 Difference]: Finished difference Result 57462 states and 79851 transitions. [2021-11-17 09:58:15,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 09:58:15,134 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 [2021-11-17 09:58:15,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:58:15,225 INFO L225 Difference]: With dead ends: 57462 [2021-11-17 09:58:15,225 INFO L226 Difference]: Without dead ends: 29620 [2021-11-17 09:58:15,276 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 [2021-11-17 09:58:15,278 INFO L933 BasicCegarLoop]: 1877 mSDtfsCounter, 1089 mSDsluCounter, 3305 mSDsCounter, 0 mSdLazyCounter, 1402 mSolverCounterSat, 1013 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 5182 SdHoareTripleChecker+Invalid, 2421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1013 IncrementalHoareTripleChecker+Valid, 1402 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2021-11-17 09:58:15,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1177 Valid, 5182 Invalid, 2421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1013 Valid, 1402 Invalid, 6 Unknown, 0 Unchecked, 23.3s Time] [2021-11-17 09:58:15,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29620 states. [2021-11-17 09:58:16,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29620 to 28705. [2021-11-17 09:58:16,155 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) [2021-11-17 09:58:16,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28705 states to 28705 states and 39607 transitions. [2021-11-17 09:58:16,247 INFO L78 Accepts]: Start accepts. Automaton has 28705 states and 39607 transitions. Word has length 310 [2021-11-17 09:58:16,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:58:16,248 INFO L470 AbstractCegarLoop]: Abstraction has 28705 states and 39607 transitions. [2021-11-17 09:58:16,249 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) [2021-11-17 09:58:16,249 INFO L276 IsEmpty]: Start isEmpty. Operand 28705 states and 39607 transitions. [2021-11-17 09:58:16,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-17 09:58:16,254 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:58:16,254 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] [2021-11-17 09:58:16,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 09:58:16,255 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 09:58:16,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:58:16,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1926793639, now seen corresponding path program 1 times [2021-11-17 09:58:16,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:58:16,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249363344] [2021-11-17 09:58:16,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:58:16,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:58:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 09:58:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 09:58:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 09:58:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 09:58:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:58:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 09:58:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 09:58:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 09:58:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:58:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 09:58:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 09:58:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 09:58:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 09:58:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 09:58:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:58:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 09:58:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:58:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:58:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 09:58:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 09:58:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-11-17 09:58:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:58:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:58:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 09:58:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:58:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:58:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 09:58:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-17 09:58:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 09:58:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 09:58:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 09:58:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-11-17 09:58:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-17 09:58:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:16,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1647 trivial. 0 not checked. [2021-11-17 09:58:16,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:58:16,712 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249363344] [2021-11-17 09:58:16,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249363344] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:58:16,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:58:16,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:58:16,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960227935] [2021-11-17 09:58:16,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:58:16,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:58:16,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:58:16,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:58:16,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:58:16,715 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) [2021-11-17 09:58:18,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:20,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:22,894 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:29,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:32,041 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:34,631 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:37,607 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:39,959 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:41,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:44,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:58:44,842 INFO L93 Difference]: Finished difference Result 82095 states and 113426 transitions. [2021-11-17 09:58:44,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 09:58:44,843 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 [2021-11-17 09:58:44,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:58:45,049 INFO L225 Difference]: With dead ends: 82095 [2021-11-17 09:58:45,049 INFO L226 Difference]: Without dead ends: 53433 [2021-11-17 09:58:45,113 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 [2021-11-17 09:58:45,114 INFO L933 BasicCegarLoop]: 2205 mSDtfsCounter, 2021 mSDsluCounter, 3568 mSDsCounter, 0 mSdLazyCounter, 1782 mSolverCounterSat, 1397 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 5773 SdHoareTripleChecker+Invalid, 3185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1397 IncrementalHoareTripleChecker+Valid, 1782 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.0s IncrementalHoareTripleChecker+Time [2021-11-17 09:58:45,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2270 Valid, 5773 Invalid, 3185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1397 Valid, 1782 Invalid, 6 Unknown, 0 Unchecked, 27.0s Time] [2021-11-17 09:58:45,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53433 states. [2021-11-17 09:58:46,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53433 to 51743. [2021-11-17 09:58:46,479 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) [2021-11-17 09:58:46,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51743 states to 51743 states and 70822 transitions. [2021-11-17 09:58:46,648 INFO L78 Accepts]: Start accepts. Automaton has 51743 states and 70822 transitions. Word has length 330 [2021-11-17 09:58:46,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:58:46,650 INFO L470 AbstractCegarLoop]: Abstraction has 51743 states and 70822 transitions. [2021-11-17 09:58:46,650 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) [2021-11-17 09:58:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 51743 states and 70822 transitions. [2021-11-17 09:58:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2021-11-17 09:58:46,675 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:58:46,675 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] [2021-11-17 09:58:46,675 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 09:58:46,675 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 09:58:46,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:58:46,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1429851763, now seen corresponding path program 1 times [2021-11-17 09:58:46,676 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:58:46,676 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181605185] [2021-11-17 09:58:46,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:58:46,677 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:58:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 09:58:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 09:58:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 09:58:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 09:58:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:58:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 09:58:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 09:58:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 09:58:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:58:47,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 09:58:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 09:58:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 09:58:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 09:58:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 09:58:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:58:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 09:58:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:58:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:58:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 09:58:47,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 09:58:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 09:58:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 09:58:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 09:58:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 09:58:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-17 09:58:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-11-17 09:58:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-11-17 09:58:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2021-11-17 09:58:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-11-17 09:58:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-17 09:58:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:58:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2021-11-17 09:58:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 09:58:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-11-17 09:58:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:58:47,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1897 trivial. 0 not checked. [2021-11-17 09:58:47,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:58:47,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181605185] [2021-11-17 09:58:47,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181605185] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:58:47,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:58:47,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:58:47,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255775193] [2021-11-17 09:58:47,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:58:47,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:58:47,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:58:47,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:58:47,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:58:47,289 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) [2021-11-17 09:58:49,329 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:51,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:58:53,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:01,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:05,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:06,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:08,779 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:11,508 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:13,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:14,708 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:16,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:18,163 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:20,595 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:23,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:25,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:29,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 09:59:29,340 INFO L93 Difference]: Finished difference Result 123271 states and 168847 transitions. [2021-11-17 09:59:29,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 09:59:29,341 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 [2021-11-17 09:59:29,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 09:59:29,622 INFO L225 Difference]: With dead ends: 123271 [2021-11-17 09:59:29,623 INFO L226 Difference]: Without dead ends: 71681 [2021-11-17 09:59:29,729 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 [2021-11-17 09:59:29,729 INFO L933 BasicCegarLoop]: 2722 mSDtfsCounter, 1697 mSDsluCounter, 3830 mSDsCounter, 0 mSdLazyCounter, 1649 mSolverCounterSat, 891 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 6552 SdHoareTripleChecker+Invalid, 2551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 891 IncrementalHoareTripleChecker+Valid, 1649 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.4s IncrementalHoareTripleChecker+Time [2021-11-17 09:59:29,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1949 Valid, 6552 Invalid, 2551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [891 Valid, 1649 Invalid, 11 Unknown, 0 Unchecked, 40.4s Time] [2021-11-17 09:59:29,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71681 states. [2021-11-17 09:59:31,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71681 to 69559. [2021-11-17 09:59:31,430 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) [2021-11-17 09:59:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69559 states to 69559 states and 94444 transitions. [2021-11-17 09:59:31,647 INFO L78 Accepts]: Start accepts. Automaton has 69559 states and 94444 transitions. Word has length 368 [2021-11-17 09:59:31,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 09:59:31,648 INFO L470 AbstractCegarLoop]: Abstraction has 69559 states and 94444 transitions. [2021-11-17 09:59:31,648 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) [2021-11-17 09:59:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 69559 states and 94444 transitions. [2021-11-17 09:59:31,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-17 09:59:31,673 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 09:59:31,674 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] [2021-11-17 09:59:31,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 09:59:31,674 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 09:59:31,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 09:59:31,674 INFO L85 PathProgramCache]: Analyzing trace with hash 219900992, now seen corresponding path program 1 times [2021-11-17 09:59:31,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 09:59:31,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164344917] [2021-11-17 09:59:31,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 09:59:31,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 09:59:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 09:59:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 09:59:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 09:59:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 09:59:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 09:59:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 09:59:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 09:59:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 09:59:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 09:59:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 09:59:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 09:59:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 09:59:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 09:59:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 09:59:32,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 09:59:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 09:59:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 09:59:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 09:59:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 09:59:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 09:59:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 09:59:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 09:59:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 09:59:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 09:59:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 09:59:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 09:59:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 09:59:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 09:59:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 09:59:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 09:59:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 09:59:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 09:59:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 09:59:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 09:59:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 09:59:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 09:59:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 09:59:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2021-11-17 09:59:32,212 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 09:59:32,212 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164344917] [2021-11-17 09:59:32,212 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164344917] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 09:59:32,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 09:59:32,213 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 09:59:32,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164589422] [2021-11-17 09:59:32,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 09:59:32,214 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 09:59:32,214 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 09:59:32,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 09:59:32,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 09:59:32,215 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) [2021-11-17 09:59:34,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:36,475 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:38,548 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:44,690 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:45,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:47,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:48,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:50,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:52,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:55,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 09:59:58,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:00,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:02,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:05,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:07,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:10,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:13,216 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:17,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:19,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:00:19,921 INFO L93 Difference]: Finished difference Result 207795 states and 283577 transitions. [2021-11-17 10:00:19,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:00:19,921 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 [2021-11-17 10:00:19,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:00:20,704 INFO L225 Difference]: With dead ends: 207795 [2021-11-17 10:00:20,704 INFO L226 Difference]: Without dead ends: 138389 [2021-11-17 10:00:20,895 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 [2021-11-17 10:00:20,898 INFO L933 BasicCegarLoop]: 3394 mSDtfsCounter, 1813 mSDsluCounter, 4959 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 929 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2088 SdHoareTripleChecker+Valid, 8353 SdHoareTripleChecker+Invalid, 3022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 929 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2021-11-17 10:00:20,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2088 Valid, 8353 Invalid, 3022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [929 Valid, 2083 Invalid, 10 Unknown, 0 Unchecked, 44.6s Time] [2021-11-17 10:00:21,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138389 states. [2021-11-17 10:00:24,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138389 to 134211. [2021-11-17 10:00:24,513 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) [2021-11-17 10:00:25,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134211 states to 134211 states and 182028 transitions. [2021-11-17 10:00:25,446 INFO L78 Accepts]: Start accepts. Automaton has 134211 states and 182028 transitions. Word has length 369 [2021-11-17 10:00:25,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:00:25,447 INFO L470 AbstractCegarLoop]: Abstraction has 134211 states and 182028 transitions. [2021-11-17 10:00:25,447 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) [2021-11-17 10:00:25,448 INFO L276 IsEmpty]: Start isEmpty. Operand 134211 states and 182028 transitions. [2021-11-17 10:00:25,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2021-11-17 10:00:25,473 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:00:25,474 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] [2021-11-17 10:00:25,474 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 10:00:25,474 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:00:25,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:00:25,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1686502274, now seen corresponding path program 1 times [2021-11-17 10:00:25,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:00:25,475 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375371688] [2021-11-17 10:00:25,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:00:25,475 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:00:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:00:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:00:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:00:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:00:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:00:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:00:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:00:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:00:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:00:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:00:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:00:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:00:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:00:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:00:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:00:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:00:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:00:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:00:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:00:25,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:00:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 10:00:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 10:00:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 10:00:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 10:00:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 10:00:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 10:00:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2021-11-17 10:00:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2021-11-17 10:00:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 10:00:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:00:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:00:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:00:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:00:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-11-17 10:00:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 10:00:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 10:00:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:00:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1930 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1914 trivial. 0 not checked. [2021-11-17 10:00:25,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:00:25,906 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375371688] [2021-11-17 10:00:25,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375371688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:00:25,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:00:25,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:00:25,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361011863] [2021-11-17 10:00:25,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:00:25,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:00:25,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:00:25,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:00:25,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:00:25,910 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) [2021-11-17 10:00:27,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:30,020 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:32,095 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:38,043 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:40,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:42,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:45,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:48,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:50,344 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:53,866 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:56,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:00:58,742 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:01,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:03,753 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:05,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:07,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:09,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:12,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:17,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:01:17,715 INFO L93 Difference]: Finished difference Result 339279 states and 462234 transitions. [2021-11-17 10:01:17,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:01:17,715 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 [2021-11-17 10:01:17,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:01:18,833 INFO L225 Difference]: With dead ends: 339279 [2021-11-17 10:01:18,833 INFO L226 Difference]: Without dead ends: 204116 [2021-11-17 10:01:19,304 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 [2021-11-17 10:01:19,305 INFO L933 BasicCegarLoop]: 2782 mSDtfsCounter, 1938 mSDsluCounter, 4277 mSDsCounter, 0 mSdLazyCounter, 1895 mSolverCounterSat, 1229 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2213 SdHoareTripleChecker+Valid, 7059 SdHoareTripleChecker+Invalid, 3136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1229 IncrementalHoareTripleChecker+Valid, 1895 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.4s IncrementalHoareTripleChecker+Time [2021-11-17 10:01:19,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2213 Valid, 7059 Invalid, 3136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1229 Valid, 1895 Invalid, 12 Unknown, 0 Unchecked, 46.4s Time] [2021-11-17 10:01:19,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204116 states. [2021-11-17 10:01:25,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204116 to 197850. [2021-11-17 10:01:25,513 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) [2021-11-17 10:01:26,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197850 states to 197850 states and 268435 transitions. [2021-11-17 10:01:26,373 INFO L78 Accepts]: Start accepts. Automaton has 197850 states and 268435 transitions. Word has length 369 [2021-11-17 10:01:26,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:01:26,374 INFO L470 AbstractCegarLoop]: Abstraction has 197850 states and 268435 transitions. [2021-11-17 10:01:26,374 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) [2021-11-17 10:01:26,374 INFO L276 IsEmpty]: Start isEmpty. Operand 197850 states and 268435 transitions. [2021-11-17 10:01:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-17 10:01:26,409 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:01:26,410 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] [2021-11-17 10:01:26,410 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 10:01:26,410 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:01:26,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:01:26,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1726341772, now seen corresponding path program 1 times [2021-11-17 10:01:26,411 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:01:26,411 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179053358] [2021-11-17 10:01:26,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:01:26,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:01:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:01:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:01:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:01:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:01:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:01:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:01:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:01:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:01:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:01:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:01:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:01:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:01:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:01:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:01:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:01:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:01:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:01:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:01:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:01:27,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:01:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 10:01:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 10:01:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 10:01:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 10:01:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 10:01:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 10:01:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 10:01:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:01:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 10:01:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:01:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 10:01:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 10:01:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:01:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:01:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:01:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 10:01:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 10:01:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 10:01:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:01:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:01:27,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2096 trivial. 0 not checked. [2021-11-17 10:01:27,205 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:01:27,205 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179053358] [2021-11-17 10:01:27,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179053358] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:01:27,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:01:27,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:01:27,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567027492] [2021-11-17 10:01:27,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:01:27,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:01:27,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:01:27,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:01:27,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:01:27,208 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) [2021-11-17 10:01:29,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:31,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:33,404 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:40,186 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:42,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:44,999 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:48,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:51,359 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:53,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:55,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:57,112 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:01:59,160 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:01,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:06,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:11,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:15,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:02:15,502 INFO L93 Difference]: Finished difference Result 468069 states and 637388 transitions. [2021-11-17 10:02:15,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:02:15,503 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 [2021-11-17 10:02:15,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:02:16,900 INFO L225 Difference]: With dead ends: 468069 [2021-11-17 10:02:16,900 INFO L226 Difference]: Without dead ends: 269843 [2021-11-17 10:02:17,334 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 [2021-11-17 10:02:17,335 INFO L933 BasicCegarLoop]: 3181 mSDtfsCounter, 1923 mSDsluCounter, 4765 mSDsCounter, 0 mSdLazyCounter, 1992 mSolverCounterSat, 993 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2196 SdHoareTripleChecker+Valid, 7946 SdHoareTripleChecker+Invalid, 2996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 993 IncrementalHoareTripleChecker+Valid, 1992 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.7s IncrementalHoareTripleChecker+Time [2021-11-17 10:02:17,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2196 Valid, 7946 Invalid, 2996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [993 Valid, 1992 Invalid, 11 Unknown, 0 Unchecked, 41.7s Time] [2021-11-17 10:02:17,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269843 states. [2021-11-17 10:02:23,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269843 to 197850. [2021-11-17 10:02:23,819 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) [2021-11-17 10:02:24,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197850 states to 197850 states and 268434 transitions. [2021-11-17 10:02:24,686 INFO L78 Accepts]: Start accepts. Automaton has 197850 states and 268434 transitions. Word has length 395 [2021-11-17 10:02:24,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:02:24,687 INFO L470 AbstractCegarLoop]: Abstraction has 197850 states and 268434 transitions. [2021-11-17 10:02:24,687 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) [2021-11-17 10:02:24,687 INFO L276 IsEmpty]: Start isEmpty. Operand 197850 states and 268434 transitions. [2021-11-17 10:02:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-11-17 10:02:24,712 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:02:24,712 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] [2021-11-17 10:02:24,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-17 10:02:24,727 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:02:24,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:02:24,728 INFO L85 PathProgramCache]: Analyzing trace with hash -180061494, now seen corresponding path program 1 times [2021-11-17 10:02:24,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:02:24,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917957082] [2021-11-17 10:02:24,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:02:24,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:02:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:02:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:02:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:02:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:02:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:02:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:02:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:02:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:02:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:02:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:02:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:02:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:02:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:02:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:02:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:02:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:02:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:02:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:24,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:02:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:02:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 10:02:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-17 10:02:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 10:02:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-17 10:02:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 10:02:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2021-11-17 10:02:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 10:02:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-11-17 10:02:25,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-11-17 10:02:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2021-11-17 10:02:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:02:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 10:02:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-11-17 10:02:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:02:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 10:02:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 10:02:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-11-17 10:02:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-11-17 10:02:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-11-17 10:02:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:02:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:02:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2126 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 2096 trivial. 0 not checked. [2021-11-17 10:02:25,512 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:02:25,512 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917957082] [2021-11-17 10:02:25,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917957082] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:02:25,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:02:25,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 10:02:25,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740416269] [2021-11-17 10:02:25,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:02:25,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 10:02:25,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:02:25,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 10:02:25,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:02:25,514 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) [2021-11-17 10:02:27,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:29,625 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:31,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:40,024 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:42,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:46,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:48,260 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:49,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:52,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:53,541 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:55,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:02:58,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:03:01,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:03:03,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:03:08,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:03:10,226 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:03:14,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:03:14,970 INFO L93 Difference]: Finished difference Result 468457 states and 638157 transitions. [2021-11-17 10:03:14,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 10:03:14,973 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 [2021-11-17 10:03:14,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:03:16,446 INFO L225 Difference]: With dead ends: 468457 [2021-11-17 10:03:16,446 INFO L226 Difference]: Without dead ends: 270760 [2021-11-17 10:03:16,917 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 [2021-11-17 10:03:16,920 INFO L933 BasicCegarLoop]: 3402 mSDtfsCounter, 1813 mSDsluCounter, 4969 mSDsCounter, 0 mSdLazyCounter, 2082 mSolverCounterSat, 924 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2086 SdHoareTripleChecker+Valid, 8371 SdHoareTripleChecker+Invalid, 3017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 924 IncrementalHoareTripleChecker+Valid, 2082 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.9s IncrementalHoareTripleChecker+Time [2021-11-17 10:03:16,920 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2086 Valid, 8371 Invalid, 3017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [924 Valid, 2082 Invalid, 11 Unknown, 0 Unchecked, 42.9s Time] [2021-11-17 10:03:17,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270760 states.