./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-net-xen-netfront.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.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 c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 13:25:43,472 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 13:25:43,474 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 13:25:43,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 13:25:43,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 13:25:43,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 13:25:43,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 13:25:43,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 13:25:43,532 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 13:25:43,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 13:25:43,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 13:25:43,539 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 13:25:43,539 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 13:25:43,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 13:25:43,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 13:25:43,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 13:25:43,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 13:25:43,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 13:25:43,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 13:25:43,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 13:25:43,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 13:25:43,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 13:25:43,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 13:25:43,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 13:25:43,564 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 13:25:43,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 13:25:43,565 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 13:25:43,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 13:25:43,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 13:25:43,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 13:25:43,568 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 13:25:43,569 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 13:25:43,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 13:25:43,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 13:25:43,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 13:25:43,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 13:25:43,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 13:25:43,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 13:25:43,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 13:25:43,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 13:25:43,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 13:25:43,576 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 13:25:43,602 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 13:25:43,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 13:25:43,603 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 13:25:43,603 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 13:25:43,604 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 13:25:43,604 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 13:25:43,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 13:25:43,605 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 13:25:43,605 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 13:25:43,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 13:25:43,606 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 13:25:43,606 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 13:25:43,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 13:25:43,606 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 13:25:43,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 13:25:43,607 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 13:25:43,607 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 13:25:43,607 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 13:25:43,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 13:25:43,608 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 13:25:43,608 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 13:25:43,608 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:25:43,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 13:25:43,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 13:25:43,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 13:25:43,610 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 13:25:43,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 13:25:43,610 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 13:25:43,610 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 13:25:43,610 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 13:25:43,610 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 13:25:43,611 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2021-12-18 13:25:43,821 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 13:25:43,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 13:25:43,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 13:25:43,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 13:25:43,853 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 13:25:43,854 INFO L432 ainManager$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-net-xen-netfront.cil.i [2021-12-18 13:25:43,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f586e5c3/6d41e31fcf0c4c94b0f16aea51fef453/FLAG1b180b514 [2021-12-18 13:25:44,761 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 13:25:44,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-18 13:25:44,818 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f586e5c3/6d41e31fcf0c4c94b0f16aea51fef453/FLAG1b180b514 [2021-12-18 13:25:45,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f586e5c3/6d41e31fcf0c4c94b0f16aea51fef453 [2021-12-18 13:25:45,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 13:25:45,245 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 13:25:45,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 13:25:45,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 13:25:45,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 13:25:45,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:25:45" (1/1) ... [2021-12-18 13:25:45,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@776d452e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:45, skipping insertion in model container [2021-12-18 13:25:45,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:25:45" (1/1) ... [2021-12-18 13:25:45,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 13:25:45,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 13:25:48,295 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-net-xen-netfront.cil.i[415292,415305] [2021-12-18 13:25:48,300 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-net-xen-netfront.cil.i[415437,415450] [2021-12-18 13:25:48,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:25:48,366 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 13:25:48,699 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-net-xen-netfront.cil.i[415292,415305] [2021-12-18 13:25:48,699 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-net-xen-netfront.cil.i[415437,415450] [2021-12-18 13:25:48,705 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 13:25:48,910 INFO L208 MainTranslator]: Completed translation [2021-12-18 13:25:48,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48 WrapperNode [2021-12-18 13:25:48,911 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 13:25:48,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 13:25:48,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 13:25:48,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 13:25:48,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,019 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,147 INFO L137 Inliner]: procedures = 562, calls = 2384, calls flagged for inlining = 265, calls inlined = 187, statements flattened = 4537 [2021-12-18 13:25:49,148 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 13:25:49,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 13:25:49,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 13:25:49,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 13:25:49,156 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 13:25:49,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 13:25:49,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 13:25:49,350 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 13:25:49,351 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (1/1) ... [2021-12-18 13:25:49,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 13:25:49,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 13:25:49,428 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 13:25:49,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 13:25:49,474 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2021-12-18 13:25:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2021-12-18 13:25:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 13:25:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 13:25:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-12-18 13:25:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-12-18 13:25:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-18 13:25:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-18 13:25:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 13:25:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 13:25:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-18 13:25:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2021-12-18 13:25:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2021-12-18 13:25:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2021-12-18 13:25:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 13:25:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 13:25:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2021-12-18 13:25:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2021-12-18 13:25:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 13:25:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 13:25:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2021-12-18 13:25:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2021-12-18 13:25:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-12-18 13:25:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-12-18 13:25:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2021-12-18 13:25:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2021-12-18 13:25:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2021-12-18 13:25:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2021-12-18 13:25:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2021-12-18 13:25:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2021-12-18 13:25:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 13:25:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 13:25:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2021-12-18 13:25:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2021-12-18 13:25:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2021-12-18 13:25:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2021-12-18 13:25:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 13:25:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 13:25:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 13:25:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 13:25:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 13:25:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 13:25:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2021-12-18 13:25:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2021-12-18 13:25:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 13:25:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2021-12-18 13:25:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2021-12-18 13:25:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2021-12-18 13:25:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2021-12-18 13:25:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2021-12-18 13:25:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2021-12-18 13:25:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 13:25:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 13:25:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2021-12-18 13:25:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2021-12-18 13:25:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-12-18 13:25:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-12-18 13:25:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-12-18 13:25:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-12-18 13:25:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 13:25:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 13:25:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 13:25:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 13:25:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 13:25:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 13:25:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 13:25:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 13:25:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-18 13:25:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-18 13:25:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2021-12-18 13:25:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2021-12-18 13:25:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 13:25:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 13:25:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 13:25:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 13:25:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2021-12-18 13:25:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2021-12-18 13:25:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-18 13:25:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2021-12-18 13:25:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-12-18 13:25:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-12-18 13:25:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 13:25:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 13:25:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 13:25:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 13:25:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 13:25:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 13:25:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 13:25:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:25:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 13:25:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 13:25:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 13:25:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2021-12-18 13:25:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2021-12-18 13:25:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 13:25:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 13:25:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 13:25:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 13:25:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 13:25:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 13:25:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 13:25:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 13:25:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2021-12-18 13:25:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2021-12-18 13:25:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 13:25:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 13:25:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2021-12-18 13:25:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2021-12-18 13:25:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 13:25:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 13:25:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 13:25:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 13:25:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2021-12-18 13:25:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2021-12-18 13:25:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 13:25:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 13:25:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2021-12-18 13:25:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2021-12-18 13:25:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 13:25:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 13:25:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-18 13:25:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-18 13:25:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2021-12-18 13:25:49,497 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2021-12-18 13:25:49,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 13:25:49,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 13:25:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 13:25:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 13:25:49,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-18 13:25:49,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-18 13:25:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2021-12-18 13:25:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2021-12-18 13:25:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-18 13:25:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-18 13:25:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 13:25:49,504 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2021-12-18 13:25:49,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2021-12-18 13:25:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-18 13:25:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-18 13:25:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-18 13:25:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2021-12-18 13:25:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 13:25:49,505 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-12-18 13:25:49,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-12-18 13:25:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2021-12-18 13:25:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2021-12-18 13:25:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2021-12-18 13:25:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2021-12-18 13:25:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 13:25:49,506 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-12-18 13:25:49,506 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-12-18 13:25:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2021-12-18 13:25:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2021-12-18 13:25:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2021-12-18 13:25:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2021-12-18 13:25:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 13:25:49,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 13:25:49,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 13:25:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 13:25:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-12-18 13:25:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-12-18 13:25:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2021-12-18 13:25:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2021-12-18 13:25:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-18 13:25:49,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-18 13:25:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2021-12-18 13:25:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2021-12-18 13:25:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2021-12-18 13:25:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2021-12-18 13:25:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-12-18 13:25:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-12-18 13:25:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2021-12-18 13:25:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2021-12-18 13:25:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 13:25:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 13:25:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 13:25:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 13:25:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-12-18 13:25:49,510 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-12-18 13:25:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2021-12-18 13:25:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2021-12-18 13:25:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 13:25:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 13:25:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 13:25:49,511 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 13:25:49,511 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2021-12-18 13:25:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2021-12-18 13:25:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 13:25:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 13:25:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 13:25:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 13:25:49,512 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 13:25:49,512 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2021-12-18 13:25:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2021-12-18 13:25:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-18 13:25:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2021-12-18 13:25:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 13:25:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 13:25:49,513 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-12-18 13:25:49,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-12-18 13:25:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2021-12-18 13:25:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2021-12-18 13:25:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2021-12-18 13:25:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2021-12-18 13:25:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-18 13:25:49,514 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-18 13:25:49,514 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-12-18 13:25:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-12-18 13:25:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 13:25:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 13:25:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2021-12-18 13:25:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2021-12-18 13:25:49,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2021-12-18 13:25:49,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2021-12-18 13:25:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 13:25:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 13:25:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 13:25:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-12-18 13:25:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-12-18 13:25:49,516 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-12-18 13:25:49,516 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-12-18 13:25:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2021-12-18 13:25:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2021-12-18 13:25:49,517 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2021-12-18 13:25:49,517 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2021-12-18 13:25:50,214 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 13:25:50,218 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 13:25:50,346 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 13:25:58,285 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 13:25:58,448 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 13:25:58,470 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 13:25:58,470 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 13:25:58,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:25:58 BoogieIcfgContainer [2021-12-18 13:25:58,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 13:25:58,475 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 13:25:58,475 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 13:25:58,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 13:25:58,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:25:45" (1/3) ... [2021-12-18 13:25:58,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463c7990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:25:58, skipping insertion in model container [2021-12-18 13:25:58,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:25:48" (2/3) ... [2021-12-18 13:25:58,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463c7990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:25:58, skipping insertion in model container [2021-12-18 13:25:58,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:25:58" (3/3) ... [2021-12-18 13:25:58,480 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2021-12-18 13:25:58,485 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 13:25:58,485 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 13:25:58,530 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 13:25:58,536 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 13:25:58,536 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 13:25:58,578 INFO L276 IsEmpty]: Start isEmpty. Operand has 1643 states, 1106 states have (on average 1.267631103074141) internal successors, (1402), 1125 states have internal predecessors, (1402), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) [2021-12-18 13:25:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2021-12-18 13:25:58,615 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:25:58,617 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:25:58,617 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:25:58,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:25:58,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1115823862, now seen corresponding path program 1 times [2021-12-18 13:25:58,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:25:58,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49292476] [2021-12-18 13:25:58,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:25:58,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:25:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:25:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:25:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:25:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:25:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:25:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:25:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:25:59,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:25:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:25:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:25:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:25:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:25:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:25:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:25:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:25:59,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:25:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:25:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:25:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:25:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:25:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:25:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:25:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:25:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:25:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:25:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:25:59,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:25:59,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:25:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:25:59,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:25:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:26:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:26:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 13:26:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:26:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:26:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 13:26:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 13:26:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 13:26:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 13:26:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 13:26:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:26:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:26:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 13:26:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 13:26:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-18 13:26:00,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 13:26:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 13:26:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:00,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2021-12-18 13:26:00,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:26:00,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49292476] [2021-12-18 13:26:00,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49292476] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:26:00,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:26:00,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:26:00,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135053406] [2021-12-18 13:26:00,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:26:00,253 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:26:00,253 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:26:00,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:26:00,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:26:00,281 INFO L87 Difference]: Start difference. First operand has 1643 states, 1106 states have (on average 1.267631103074141) internal successors, (1402), 1125 states have internal predecessors, (1402), 431 states have call successors, (431), 106 states have call predecessors, (431), 105 states have return successors, (426), 425 states have call predecessors, (426), 426 states have call successors, (426) Second operand has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-12-18 13:26:05,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:08,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:10,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:13,171 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:15,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:17,327 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:17,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:26:17,735 INFO L93 Difference]: Finished difference Result 4923 states and 6878 transitions. [2021-12-18 13:26:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:26:17,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 465 [2021-12-18 13:26:17,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:26:17,775 INFO L225 Difference]: With dead ends: 4923 [2021-12-18 13:26:17,775 INFO L226 Difference]: Without dead ends: 3257 [2021-12-18 13:26:17,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:26:17,789 INFO L933 BasicCegarLoop]: 2325 mSDtfsCounter, 3879 mSDsluCounter, 3169 mSDsCounter, 0 mSdLazyCounter, 2343 mSolverCounterSat, 2670 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4168 SdHoareTripleChecker+Valid, 5494 SdHoareTripleChecker+Invalid, 5019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2670 IncrementalHoareTripleChecker+Valid, 2343 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:26:17,790 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4168 Valid, 5494 Invalid, 5019 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2670 Valid, 2343 Invalid, 6 Unknown, 0 Unchecked, 17.0s Time] [2021-12-18 13:26:17,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3257 states. [2021-12-18 13:26:18,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3257 to 3083. [2021-12-18 13:26:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 2114 states have (on average 1.2630085146641439) internal successors, (2670), 2152 states have internal predecessors, (2670), 762 states have call successors, (762), 206 states have call predecessors, (762), 206 states have return successors, (762), 758 states have call predecessors, (762), 762 states have call successors, (762) [2021-12-18 13:26:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 4194 transitions. [2021-12-18 13:26:18,034 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 4194 transitions. Word has length 465 [2021-12-18 13:26:18,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:26:18,040 INFO L470 AbstractCegarLoop]: Abstraction has 3083 states and 4194 transitions. [2021-12-18 13:26:18,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.4) internal successors, (127), 3 states have internal predecessors, (127), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-12-18 13:26:18,041 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 4194 transitions. [2021-12-18 13:26:18,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2021-12-18 13:26:18,058 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:26:18,059 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:26:18,059 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 13:26:18,059 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:26:18,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:26:18,060 INFO L85 PathProgramCache]: Analyzing trace with hash -989464172, now seen corresponding path program 1 times [2021-12-18 13:26:18,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:26:18,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523139800] [2021-12-18 13:26:18,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:26:18,061 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:26:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:26:18,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:26:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:26:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:26:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:26:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:26:18,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:26:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:26:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:26:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:26:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:26:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:26:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:26:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:26:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:26:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:26:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:26:18,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:26:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:26:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:26:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:26:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:26:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:26:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:26:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:26:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:26:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:26:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:26:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:26:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:26:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 13:26:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:26:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:26:18,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 13:26:18,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:26:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 13:26:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 13:26:18,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:26:18,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:26:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:26:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-18 13:26:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-18 13:26:18,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 13:26:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 13:26:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 13:26:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2021-12-18 13:26:18,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:26:18,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523139800] [2021-12-18 13:26:18,992 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523139800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:26:18,992 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:26:18,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:26:18,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543894314] [2021-12-18 13:26:18,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:26:18,997 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:26:18,997 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:26:18,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:26:18,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:26:18,998 INFO L87 Difference]: Start difference. First operand 3083 states and 4194 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-12-18 13:26:23,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:26,853 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:28,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:31,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:26:31,925 INFO L93 Difference]: Finished difference Result 9389 states and 12849 transitions. [2021-12-18 13:26:31,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:26:31,926 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), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) Word has length 464 [2021-12-18 13:26:31,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:26:31,969 INFO L225 Difference]: With dead ends: 9389 [2021-12-18 13:26:31,969 INFO L226 Difference]: Without dead ends: 6369 [2021-12-18 13:26:31,985 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:26:31,990 INFO L933 BasicCegarLoop]: 2287 mSDtfsCounter, 3792 mSDsluCounter, 3164 mSDsCounter, 0 mSdLazyCounter, 2245 mSolverCounterSat, 2435 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4073 SdHoareTripleChecker+Valid, 5451 SdHoareTripleChecker+Invalid, 4684 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2435 IncrementalHoareTripleChecker+Valid, 2245 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-12-18 13:26:31,991 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4073 Valid, 5451 Invalid, 4684 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2435 Valid, 2245 Invalid, 4 Unknown, 0 Unchecked, 12.5s Time] [2021-12-18 13:26:32,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6369 states. [2021-12-18 13:26:32,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6369 to 6031. [2021-12-18 13:26:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6031 states, 4145 states have (on average 1.2634499396863692) internal successors, (5237), 4223 states have internal predecessors, (5237), 1473 states have call successors, (1473), 412 states have call predecessors, (1473), 412 states have return successors, (1473), 1463 states have call predecessors, (1473), 1473 states have call successors, (1473) [2021-12-18 13:26:32,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6031 states to 6031 states and 8183 transitions. [2021-12-18 13:26:32,303 INFO L78 Accepts]: Start accepts. Automaton has 6031 states and 8183 transitions. Word has length 464 [2021-12-18 13:26:32,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:26:32,305 INFO L470 AbstractCegarLoop]: Abstraction has 6031 states and 8183 transitions. [2021-12-18 13:26:32,306 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), 4 states have call successors, (52), 4 states have call predecessors, (52), 1 states have return successors, (49), 3 states have call predecessors, (49), 4 states have call successors, (49) [2021-12-18 13:26:32,306 INFO L276 IsEmpty]: Start isEmpty. Operand 6031 states and 8183 transitions. [2021-12-18 13:26:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2021-12-18 13:26:32,327 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:26:32,327 INFO L514 BasicCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:26:32,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 13:26:32,328 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:26:32,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:26:32,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1823389171, now seen corresponding path program 1 times [2021-12-18 13:26:32,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:26:32,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121433288] [2021-12-18 13:26:32,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:26:32,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:26:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:26:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:26:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:26:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:26:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:26:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:26:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:26:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:26:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:26:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:26:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:26:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:26:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:26:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:26:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:26:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:26:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:26:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:26:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:26:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:26:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:26:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:26:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:26:32,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:26:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:26:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:26:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:26:32,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:32,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:26:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:26:33,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:33,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:26:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 13:26:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:26:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:26:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 13:26:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:26:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 13:26:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 13:26:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:26:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:26:33,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-18 13:26:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-18 13:26:33,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 13:26:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-18 13:26:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-18 13:26:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2021-12-18 13:26:33,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:26:33,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121433288] [2021-12-18 13:26:33,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [121433288] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:26:33,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:26:33,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:26:33,154 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425302410] [2021-12-18 13:26:33,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:26:33,155 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:26:33,155 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:26:33,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:26:33,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:26:33,156 INFO L87 Difference]: Start difference. First operand 6031 states and 8183 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 3 states have internal predecessors, (126), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2021-12-18 13:26:37,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:39,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:43,261 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:45,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:47,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:48,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:26:48,016 INFO L93 Difference]: Finished difference Result 18372 states and 25040 transitions. [2021-12-18 13:26:48,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:26:48,017 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), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) Word has length 459 [2021-12-18 13:26:48,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:26:48,081 INFO L225 Difference]: With dead ends: 18372 [2021-12-18 13:26:48,081 INFO L226 Difference]: Without dead ends: 12404 [2021-12-18 13:26:48,103 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:26:48,104 INFO L933 BasicCegarLoop]: 2559 mSDtfsCounter, 3381 mSDsluCounter, 3266 mSDsCounter, 0 mSdLazyCounter, 2320 mSolverCounterSat, 2285 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3662 SdHoareTripleChecker+Valid, 5825 SdHoareTripleChecker+Invalid, 4610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2285 IncrementalHoareTripleChecker+Valid, 2320 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.4s IncrementalHoareTripleChecker+Time [2021-12-18 13:26:48,104 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3662 Valid, 5825 Invalid, 4610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2285 Valid, 2320 Invalid, 5 Unknown, 0 Unchecked, 14.4s Time] [2021-12-18 13:26:48,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12404 states. [2021-12-18 13:26:48,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12404 to 11744. [2021-12-18 13:26:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11744 states, 8075 states have (on average 1.2600619195046439) internal successors, (10175), 8233 states have internal predecessors, (10175), 2849 states have call successors, (2849), 819 states have call predecessors, (2849), 819 states have return successors, (2849), 2827 states have call predecessors, (2849), 2849 states have call successors, (2849) [2021-12-18 13:26:48,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11744 states to 11744 states and 15873 transitions. [2021-12-18 13:26:48,606 INFO L78 Accepts]: Start accepts. Automaton has 11744 states and 15873 transitions. Word has length 459 [2021-12-18 13:26:48,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:26:48,610 INFO L470 AbstractCegarLoop]: Abstraction has 11744 states and 15873 transitions. [2021-12-18 13:26:48,611 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), 4 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (48), 3 states have call predecessors, (48), 4 states have call successors, (48) [2021-12-18 13:26:48,611 INFO L276 IsEmpty]: Start isEmpty. Operand 11744 states and 15873 transitions. [2021-12-18 13:26:48,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-12-18 13:26:48,644 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:26:48,645 INFO L514 BasicCegarLoop]: trace histogram [31, 31, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:26:48,645 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 13:26:48,645 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:26:48,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:26:48,646 INFO L85 PathProgramCache]: Analyzing trace with hash 9095009, now seen corresponding path program 1 times [2021-12-18 13:26:48,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:26:48,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250572883] [2021-12-18 13:26:48,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:26:48,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:26:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:26:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:48,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:26:48,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:48,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:26:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:48,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:26:48,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:26:48,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:26:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:26:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:26:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:26:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:26:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:26:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:26:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:26:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:26:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:26:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:26:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:26:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:26:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:26:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:26:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:26:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:26:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:26:49,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:26:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:26:49,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:26:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:26:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:26:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:26:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:26:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 13:26:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 13:26:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 13:26:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:26:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:26:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 13:26:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 13:26:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-18 13:26:49,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 13:26:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:26:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:26:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-18 13:26:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 13:26:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:26:49,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 13:26:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-18 13:26:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2021-12-18 13:26:49,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:26:49,494 INFO L134 CoverageAnalysis]: Checked inductivity of 3861 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3858 trivial. 0 not checked. [2021-12-18 13:26:49,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:26:49,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250572883] [2021-12-18 13:26:49,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250572883] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:26:49,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:26:49,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:26:49,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440267123] [2021-12-18 13:26:49,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:26:49,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:26:49,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:26:49,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:26:49,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:26:49,498 INFO L87 Difference]: Start difference. First operand 11744 states and 15873 transitions. Second operand has 5 states, 5 states have (on average 27.8) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (50), 3 states have call predecessors, (50), 4 states have call successors, (50) [2021-12-18 13:26:53,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:56,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:26:59,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:00,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:03,042 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:05,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:07,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:09,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:09,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:27:09,914 INFO L93 Difference]: Finished difference Result 25579 states and 34679 transitions. [2021-12-18 13:27:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:27:09,915 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (50), 3 states have call predecessors, (50), 4 states have call successors, (50) Word has length 481 [2021-12-18 13:27:09,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:27:10,006 INFO L225 Difference]: With dead ends: 25579 [2021-12-18 13:27:10,006 INFO L226 Difference]: Without dead ends: 13898 [2021-12-18 13:27:10,055 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:27:10,057 INFO L933 BasicCegarLoop]: 2382 mSDtfsCounter, 3247 mSDsluCounter, 3071 mSDsCounter, 0 mSdLazyCounter, 2228 mSolverCounterSat, 2218 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3500 SdHoareTripleChecker+Valid, 5453 SdHoareTripleChecker+Invalid, 4453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2218 IncrementalHoareTripleChecker+Valid, 2228 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2021-12-18 13:27:10,060 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3500 Valid, 5453 Invalid, 4453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2218 Valid, 2228 Invalid, 7 Unknown, 0 Unchecked, 20.0s Time] [2021-12-18 13:27:10,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13898 states. [2021-12-18 13:27:10,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13898 to 13162. [2021-12-18 13:27:10,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13162 states, 9049 states have (on average 1.2566029395513316) internal successors, (11371), 9225 states have internal predecessors, (11371), 3172 states have call successors, (3172), 940 states have call predecessors, (3172), 940 states have return successors, (3174), 3149 states have call predecessors, (3174), 3172 states have call successors, (3174) [2021-12-18 13:27:10,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13162 states to 13162 states and 17717 transitions. [2021-12-18 13:27:10,634 INFO L78 Accepts]: Start accepts. Automaton has 13162 states and 17717 transitions. Word has length 481 [2021-12-18 13:27:10,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:27:10,635 INFO L470 AbstractCegarLoop]: Abstraction has 13162 states and 17717 transitions. [2021-12-18 13:27:10,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 3 states have internal predecessors, (139), 4 states have call successors, (53), 4 states have call predecessors, (53), 1 states have return successors, (50), 3 states have call predecessors, (50), 4 states have call successors, (50) [2021-12-18 13:27:10,636 INFO L276 IsEmpty]: Start isEmpty. Operand 13162 states and 17717 transitions. [2021-12-18 13:27:10,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2021-12-18 13:27:10,675 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:27:10,675 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:27:10,676 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 13:27:10,677 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:27:10,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:27:10,677 INFO L85 PathProgramCache]: Analyzing trace with hash 606729394, now seen corresponding path program 1 times [2021-12-18 13:27:10,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:27:10,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697941659] [2021-12-18 13:27:10,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:27:10,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:27:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:27:10,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:10,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:27:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:27:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:27:10,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:27:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:10,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:27:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:27:11,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:27:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:27:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:27:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:27:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:27:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:27:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:27:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:27:11,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:27:11,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:27:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:27:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:27:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:27:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:27:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:27:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:27:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:27:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:27:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:27:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:27:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:27:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:27:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:27:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:27:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 13:27:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 13:27:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:27:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:27:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:27:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-18 13:27:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:27:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:27:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 13:27:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 13:27:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 13:27:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 13:27:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:27:11,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:27:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 13:27:11,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-18 13:27:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 13:27:11,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 13:27:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 13:27:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:11,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4098 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4083 trivial. 0 not checked. [2021-12-18 13:27:11,721 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:27:11,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697941659] [2021-12-18 13:27:11,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697941659] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:27:11,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:27:11,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:27:11,722 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959636802] [2021-12-18 13:27:11,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:27:11,723 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:27:11,723 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:27:11,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:27:11,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:27:11,724 INFO L87 Difference]: Start difference. First operand 13162 states and 17717 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2021-12-18 13:27:16,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:18,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:21,302 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:23,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:25,475 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:27,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:29,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:30,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:27:30,316 INFO L93 Difference]: Finished difference Result 37712 states and 51117 transitions. [2021-12-18 13:27:30,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:27:30,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) Word has length 523 [2021-12-18 13:27:30,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:27:30,446 INFO L225 Difference]: With dead ends: 37712 [2021-12-18 13:27:30,447 INFO L226 Difference]: Without dead ends: 25935 [2021-12-18 13:27:30,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:27:30,495 INFO L933 BasicCegarLoop]: 3882 mSDtfsCounter, 2695 mSDsluCounter, 4558 mSDsCounter, 0 mSdLazyCounter, 2384 mSolverCounterSat, 1675 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2978 SdHoareTripleChecker+Valid, 8440 SdHoareTripleChecker+Invalid, 4066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1675 IncrementalHoareTripleChecker+Valid, 2384 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2021-12-18 13:27:30,496 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2978 Valid, 8440 Invalid, 4066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1675 Valid, 2384 Invalid, 7 Unknown, 0 Unchecked, 17.9s Time] [2021-12-18 13:27:30,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25935 states. [2021-12-18 13:27:31,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25935 to 24543. [2021-12-18 13:27:31,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24543 states, 16879 states have (on average 1.2572427276497422) internal successors, (21221), 17199 states have internal predecessors, (21221), 5904 states have call successors, (5904), 1759 states have call predecessors, (5904), 1759 states have return successors, (5906), 5873 states have call predecessors, (5906), 5904 states have call successors, (5906) [2021-12-18 13:27:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24543 states to 24543 states and 33031 transitions. [2021-12-18 13:27:31,682 INFO L78 Accepts]: Start accepts. Automaton has 24543 states and 33031 transitions. Word has length 523 [2021-12-18 13:27:31,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:27:31,684 INFO L470 AbstractCegarLoop]: Abstraction has 24543 states and 33031 transitions. [2021-12-18 13:27:31,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2021-12-18 13:27:31,684 INFO L276 IsEmpty]: Start isEmpty. Operand 24543 states and 33031 transitions. [2021-12-18 13:27:31,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2021-12-18 13:27:31,741 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:27:31,741 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:27:31,741 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 13:27:31,742 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:27:31,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:27:31,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1274111284, now seen corresponding path program 1 times [2021-12-18 13:27:31,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:27:31,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236048436] [2021-12-18 13:27:31,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:27:31,743 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:27:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:27:32,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:27:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:27:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:27:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:27:32,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:27:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:27:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:27:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:27:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:27:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:27:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:27:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:27:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:27:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:27:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:27:32,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:27:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:27:32,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:27:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:27:32,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:27:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:27:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:27:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:27:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:27:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:27:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:27:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:27:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:27:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:27:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:27:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 13:27:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 13:27:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:27:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 13:27:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 13:27:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2021-12-18 13:27:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:27:32,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:27:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 13:27:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 13:27:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 13:27:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 13:27:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:27:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:27:32,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 13:27:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2021-12-18 13:27:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 13:27:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-12-18 13:27:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 13:27:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 4098 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4083 trivial. 0 not checked. [2021-12-18 13:27:32,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:27:32,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236048436] [2021-12-18 13:27:32,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236048436] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:27:32,817 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:27:32,817 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:27:32,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721973192] [2021-12-18 13:27:32,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:27:32,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:27:32,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:27:32,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:27:32,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:27:32,818 INFO L87 Difference]: Start difference. First operand 24543 states and 33031 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2021-12-18 13:27:37,603 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:40,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:42,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:45,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:47,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:49,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:27:50,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:27:50,339 INFO L93 Difference]: Finished difference Result 61138 states and 82777 transitions. [2021-12-18 13:27:50,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:27:50,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) Word has length 523 [2021-12-18 13:27:50,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:27:50,646 INFO L225 Difference]: With dead ends: 61138 [2021-12-18 13:27:50,647 INFO L226 Difference]: Without dead ends: 37924 [2021-12-18 13:27:50,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:27:50,728 INFO L933 BasicCegarLoop]: 3884 mSDtfsCounter, 2692 mSDsluCounter, 4567 mSDsCounter, 0 mSdLazyCounter, 2385 mSolverCounterSat, 1675 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2973 SdHoareTripleChecker+Valid, 8451 SdHoareTripleChecker+Invalid, 4066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1675 IncrementalHoareTripleChecker+Valid, 2385 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2021-12-18 13:27:50,728 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2973 Valid, 8451 Invalid, 4066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1675 Valid, 2385 Invalid, 6 Unknown, 0 Unchecked, 16.7s Time] [2021-12-18 13:27:50,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37924 states. [2021-12-18 13:27:52,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37924 to 35876. [2021-12-18 13:27:52,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35876 states, 24661 states have (on average 1.2576537853290621) internal successors, (31015), 25125 states have internal predecessors, (31015), 8636 states have call successors, (8636), 2578 states have call predecessors, (8636), 2578 states have return successors, (8638), 8597 states have call predecessors, (8638), 8636 states have call successors, (8638) [2021-12-18 13:27:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35876 states to 35876 states and 48289 transitions. [2021-12-18 13:27:52,342 INFO L78 Accepts]: Start accepts. Automaton has 35876 states and 48289 transitions. Word has length 523 [2021-12-18 13:27:52,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:27:52,343 INFO L470 AbstractCegarLoop]: Abstraction has 35876 states and 48289 transitions. [2021-12-18 13:27:52,343 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 3 states have internal predecessors, (161), 4 states have call successors, (58), 4 states have call predecessors, (58), 1 states have return successors, (55), 3 states have call predecessors, (55), 4 states have call successors, (55) [2021-12-18 13:27:52,343 INFO L276 IsEmpty]: Start isEmpty. Operand 35876 states and 48289 transitions. [2021-12-18 13:27:52,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2021-12-18 13:27:52,391 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:27:52,391 INFO L514 BasicCegarLoop]: trace histogram [33, 33, 30, 30, 30, 30, 30, 30, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:27:52,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 13:27:52,392 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:27:52,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:27:52,393 INFO L85 PathProgramCache]: Analyzing trace with hash -324713516, now seen corresponding path program 1 times [2021-12-18 13:27:52,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:27:52,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927591097] [2021-12-18 13:27:52,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:27:52,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:27:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:27:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:27:52,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:27:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:27:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:27:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:27:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:27:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:27:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:27:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:27:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:27:52,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:27:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:27:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:52,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:27:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:27:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:27:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:27:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:27:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:27:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:27:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:27:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:27:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:27:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:27:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:27:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:27:53,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:27:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:27:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:27:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:27:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 13:27:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 13:27:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-18 13:27:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 13:27:53,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 13:27:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-18 13:27:53,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 13:27:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:27:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:27:53,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 13:27:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-18 13:27:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 13:27:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-12-18 13:27:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 13:27:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-18 13:27:53,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 13:27:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-18 13:27:53,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 13:27:53,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:27:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:27:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:27:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2021-12-18 13:27:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2021-12-18 13:27:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:27:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2021-12-18 13:27:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-18 13:27:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-12-18 13:27:53,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:27:53,610 INFO L134 CoverageAnalysis]: Checked inductivity of 4283 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4283 trivial. 0 not checked. [2021-12-18 13:27:53,610 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:27:53,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927591097] [2021-12-18 13:27:53,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927591097] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:27:53,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:27:53,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 13:27:53,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67734962] [2021-12-18 13:27:53,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:27:53,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 13:27:53,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:27:53,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 13:27:53,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 13:27:53,613 INFO L87 Difference]: Start difference. First operand 35876 states and 48289 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (63), 6 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 4 states have call successors, (61) [2021-12-18 13:27:59,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:03,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:05,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:07,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:09,700 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:11,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:14,013 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:16,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:18,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:20,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:22,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:23,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:23,457 INFO L93 Difference]: Finished difference Result 95889 states and 130307 transitions. [2021-12-18 13:28:23,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-18 13:28:23,458 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (63), 6 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 4 states have call successors, (61) Word has length 530 [2021-12-18 13:28:23,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:24,035 INFO L225 Difference]: With dead ends: 95889 [2021-12-18 13:28:24,035 INFO L226 Difference]: Without dead ends: 59654 [2021-12-18 13:28:24,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2021-12-18 13:28:24,168 INFO L933 BasicCegarLoop]: 2134 mSDtfsCounter, 3047 mSDsluCounter, 4526 mSDsCounter, 0 mSdLazyCounter, 3854 mSolverCounterSat, 2167 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3188 SdHoareTripleChecker+Valid, 6660 SdHoareTripleChecker+Invalid, 6032 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2167 IncrementalHoareTripleChecker+Valid, 3854 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.1s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:24,168 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3188 Valid, 6660 Invalid, 6032 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2167 Valid, 3854 Invalid, 11 Unknown, 0 Unchecked, 28.1s Time] [2021-12-18 13:28:24,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59654 states. [2021-12-18 13:28:26,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59654 to 53731. [2021-12-18 13:28:26,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53731 states, 37175 states have (on average 1.2597982515131136) internal successors, (46833), 37799 states have internal predecessors, (46833), 12735 states have call successors, (12735), 3778 states have call predecessors, (12735), 3820 states have return successors, (13067), 12675 states have call predecessors, (13067), 12735 states have call successors, (13067) [2021-12-18 13:28:26,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53731 states to 53731 states and 72635 transitions. [2021-12-18 13:28:26,882 INFO L78 Accepts]: Start accepts. Automaton has 53731 states and 72635 transitions. Word has length 530 [2021-12-18 13:28:26,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:26,883 INFO L470 AbstractCegarLoop]: Abstraction has 53731 states and 72635 transitions. [2021-12-18 13:28:26,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (63), 6 states have call predecessors, (63), 1 states have return successors, (61), 3 states have call predecessors, (61), 4 states have call successors, (61) [2021-12-18 13:28:26,884 INFO L276 IsEmpty]: Start isEmpty. Operand 53731 states and 72635 transitions. [2021-12-18 13:28:26,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2021-12-18 13:28:26,953 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:26,954 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 7, 7, 7, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:28:26,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 13:28:26,954 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:28:26,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:26,955 INFO L85 PathProgramCache]: Analyzing trace with hash -996030409, now seen corresponding path program 1 times [2021-12-18 13:28:26,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:26,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144282433] [2021-12-18 13:28:26,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:26,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:27,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:27,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:28:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:28:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:28:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:28:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:28:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:28:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:28:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:28:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:28:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:28:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:28:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:28:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:28:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:28:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:28:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:28:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:28:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:28:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:28:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:28:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 13:28:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 13:28:27,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:28:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 13:28:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 13:28:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 13:28:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 13:28:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 13:28:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-18 13:28:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:28:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:28:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-18 13:28:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:28:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2021-12-18 13:28:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-18 13:28:27,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:28:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:28:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 13:28:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-18 13:28:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2021-12-18 13:28:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 13:28:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-18 13:28:27,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:27,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4345 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4334 trivial. 0 not checked. [2021-12-18 13:28:27,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:27,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144282433] [2021-12-18 13:28:27,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144282433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:27,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:27,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:28:27,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928532174] [2021-12-18 13:28:27,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:27,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:28:27,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:27,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:28:27,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:28:27,969 INFO L87 Difference]: Start difference. First operand 53731 states and 72635 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-12-18 13:28:33,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:37,003 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:39,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:41,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:43,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:45,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:28:46,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:28:46,267 INFO L93 Difference]: Finished difference Result 136964 states and 185708 transitions. [2021-12-18 13:28:46,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:28:46,268 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) Word has length 547 [2021-12-18 13:28:46,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:28:46,786 INFO L225 Difference]: With dead ends: 136964 [2021-12-18 13:28:46,787 INFO L226 Difference]: Without dead ends: 83701 [2021-12-18 13:28:46,935 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:28:46,936 INFO L933 BasicCegarLoop]: 3804 mSDtfsCounter, 2681 mSDsluCounter, 4430 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 1720 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2963 SdHoareTripleChecker+Valid, 8234 SdHoareTripleChecker+Invalid, 4122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1720 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2021-12-18 13:28:46,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2963 Valid, 8234 Invalid, 4122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1720 Valid, 2396 Invalid, 6 Unknown, 0 Unchecked, 16.1s Time] [2021-12-18 13:28:47,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83701 states. [2021-12-18 13:28:49,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83701 to 79288. [2021-12-18 13:28:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79288 states, 54842 states have (on average 1.2582145071295723) internal successors, (69003), 55774 states have internal predecessors, (69003), 18771 states have call successors, (18771), 5614 states have call predecessors, (18771), 5674 states have return successors, (19226), 18679 states have call predecessors, (19226), 18771 states have call successors, (19226) [2021-12-18 13:28:50,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79288 states to 79288 states and 107000 transitions. [2021-12-18 13:28:50,352 INFO L78 Accepts]: Start accepts. Automaton has 79288 states and 107000 transitions. Word has length 547 [2021-12-18 13:28:50,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:28:50,353 INFO L470 AbstractCegarLoop]: Abstraction has 79288 states and 107000 transitions. [2021-12-18 13:28:50,353 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (59), 4 states have call predecessors, (59), 1 states have return successors, (56), 3 states have call predecessors, (56), 4 states have call successors, (56) [2021-12-18 13:28:50,354 INFO L276 IsEmpty]: Start isEmpty. Operand 79288 states and 107000 transitions. [2021-12-18 13:28:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2021-12-18 13:28:50,435 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:28:50,436 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 8, 8, 8, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:28:50,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 13:28:50,436 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:28:50,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:28:50,437 INFO L85 PathProgramCache]: Analyzing trace with hash 805291434, now seen corresponding path program 1 times [2021-12-18 13:28:50,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:28:50,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338685562] [2021-12-18 13:28:50,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:28:50,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:28:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:28:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:28:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:28:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:28:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:28:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:28:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:28:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:28:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:28:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:28:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:28:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:28:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:28:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:28:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:28:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:28:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:28:51,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:28:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:28:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:28:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:28:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:28:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:28:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:28:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:28:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:28:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:28:51,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:28:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:28:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:28:51,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:28:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 13:28:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 13:28:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:28:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 13:28:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 13:28:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 13:28:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 13:28:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 13:28:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 13:28:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:28:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:28:51,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 13:28:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-12-18 13:28:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 13:28:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 13:28:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 13:28:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:28:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:28:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-12-18 13:28:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-12-18 13:28:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:28:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-12-18 13:28:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-18 13:28:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-18 13:28:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:28:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4362 trivial. 0 not checked. [2021-12-18 13:28:51,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:28:51,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338685562] [2021-12-18 13:28:51,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338685562] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:28:51,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:28:51,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:28:51,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096389883] [2021-12-18 13:28:51,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:28:51,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:28:51,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:28:51,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:28:51,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:28:51,368 INFO L87 Difference]: Start difference. First operand 79288 states and 107000 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2021-12-18 13:28:56,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:00,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:02,929 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:05,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:07,228 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:11,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:12,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:29:12,677 INFO L93 Difference]: Finished difference Result 202368 states and 274011 transitions. [2021-12-18 13:29:12,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:29:12,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) Word has length 552 [2021-12-18 13:29:12,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:29:13,200 INFO L225 Difference]: With dead ends: 202368 [2021-12-18 13:29:13,200 INFO L226 Difference]: Without dead ends: 123548 [2021-12-18 13:29:13,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:29:13,388 INFO L933 BasicCegarLoop]: 3566 mSDtfsCounter, 3081 mSDsluCounter, 4372 mSDsCounter, 0 mSdLazyCounter, 2323 mSolverCounterSat, 1858 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 7938 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1858 IncrementalHoareTripleChecker+Valid, 2323 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-12-18 13:29:13,388 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3363 Valid, 7938 Invalid, 4187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1858 Valid, 2323 Invalid, 6 Unknown, 0 Unchecked, 17.7s Time] [2021-12-18 13:29:13,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123548 states. [2021-12-18 13:29:16,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123548 to 116968. [2021-12-18 13:29:17,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116968 states, 80912 states have (on average 1.2571064860589283) internal successors, (101715), 82300 states have internal predecessors, (101715), 27645 states have call successors, (27645), 8326 states have call predecessors, (27645), 8410 states have return successors, (28268), 27505 states have call predecessors, (28268), 27645 states have call successors, (28268) [2021-12-18 13:29:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116968 states to 116968 states and 157628 transitions. [2021-12-18 13:29:17,842 INFO L78 Accepts]: Start accepts. Automaton has 116968 states and 157628 transitions. Word has length 552 [2021-12-18 13:29:17,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:29:17,843 INFO L470 AbstractCegarLoop]: Abstraction has 116968 states and 157628 transitions. [2021-12-18 13:29:17,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 3 states have internal predecessors, (158), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2021-12-18 13:29:17,844 INFO L276 IsEmpty]: Start isEmpty. Operand 116968 states and 157628 transitions. [2021-12-18 13:29:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2021-12-18 13:29:17,913 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:29:17,913 INFO L514 BasicCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 8, 8, 8, 4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:29:17,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 13:29:17,914 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:29:17,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:29:17,914 INFO L85 PathProgramCache]: Analyzing trace with hash 918672800, now seen corresponding path program 1 times [2021-12-18 13:29:17,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:29:17,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200327536] [2021-12-18 13:29:17,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:29:17,915 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:29:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:29:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:29:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:29:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:29:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:29:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:29:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:29:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:29:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:29:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:29:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:29:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:29:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:29:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:29:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:29:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:29:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:29:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:29:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:29:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:29:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:29:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:29:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:29:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:29:18,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:29:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:29:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:29:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:29:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:29:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:29:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:29:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 13:29:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 13:29:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:29:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 13:29:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 13:29:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 13:29:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 13:29:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 13:29:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 13:29:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:29:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:29:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 13:29:18,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 13:29:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2021-12-18 13:29:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 13:29:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-12-18 13:29:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:29:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:29:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-18 13:29:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2021-12-18 13:29:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-18 13:29:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2021-12-18 13:29:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-12-18 13:29:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4362 trivial. 0 not checked. [2021-12-18 13:29:18,771 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:29:18,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200327536] [2021-12-18 13:29:18,771 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200327536] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:29:18,771 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:29:18,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:29:18,772 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521554545] [2021-12-18 13:29:18,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:29:18,772 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:29:18,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:29:18,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:29:18,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:29:18,773 INFO L87 Difference]: Start difference. First operand 116968 states and 157628 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 3 states have internal predecessors, (159), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2021-12-18 13:29:24,817 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:29,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:31,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:33,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:35,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:37,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:29:39,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 13:29:39,899 INFO L93 Difference]: Finished difference Result 298327 states and 403450 transitions. [2021-12-18 13:29:39,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 13:29:39,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 3 states have internal predecessors, (159), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) Word has length 553 [2021-12-18 13:29:39,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 13:29:40,735 INFO L225 Difference]: With dead ends: 298327 [2021-12-18 13:29:40,735 INFO L226 Difference]: Without dead ends: 181827 [2021-12-18 13:29:41,037 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 13:29:41,038 INFO L933 BasicCegarLoop]: 3568 mSDtfsCounter, 3082 mSDsluCounter, 4377 mSDsCounter, 0 mSdLazyCounter, 2323 mSolverCounterSat, 1858 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3364 SdHoareTripleChecker+Valid, 7945 SdHoareTripleChecker+Invalid, 4187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1858 IncrementalHoareTripleChecker+Valid, 2323 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-12-18 13:29:41,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3364 Valid, 7945 Invalid, 4187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1858 Valid, 2323 Invalid, 6 Unknown, 0 Unchecked, 15.8s Time] [2021-12-18 13:29:41,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181827 states. [2021-12-18 13:29:46,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181827 to 172027. [2021-12-18 13:29:46,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172027 states, 119015 states have (on average 1.2560097466705877) internal successors, (149484), 121075 states have internal predecessors, (149484), 40593 states have call successors, (40593), 12304 states have call predecessors, (40593), 12418 states have return successors, (41429), 40381 states have call predecessors, (41429), 40593 states have call successors, (41429) [2021-12-18 13:29:47,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172027 states to 172027 states and 231506 transitions. [2021-12-18 13:29:47,794 INFO L78 Accepts]: Start accepts. Automaton has 172027 states and 231506 transitions. Word has length 553 [2021-12-18 13:29:47,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 13:29:47,796 INFO L470 AbstractCegarLoop]: Abstraction has 172027 states and 231506 transitions. [2021-12-18 13:29:47,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 3 states have internal predecessors, (159), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2021-12-18 13:29:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 172027 states and 231506 transitions. [2021-12-18 13:29:47,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2021-12-18 13:29:47,929 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 13:29:47,929 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 29, 29, 29, 29, 29, 29, 7, 7, 7, 5, 5, 5, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 13:29:47,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 13:29:47,930 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 13:29:47,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 13:29:47,930 INFO L85 PathProgramCache]: Analyzing trace with hash -590850795, now seen corresponding path program 1 times [2021-12-18 13:29:47,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 13:29:47,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077844222] [2021-12-18 13:29:47,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 13:29:47,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 13:29:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 13:29:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 13:29:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 13:29:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 13:29:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 13:29:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 13:29:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 13:29:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 13:29:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-18 13:29:48,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-18 13:29:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-18 13:29:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-18 13:29:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-18 13:29:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 13:29:48,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-18 13:29:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 13:29:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 13:29:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 13:29:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-12-18 13:29:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-18 13:29:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-18 13:29:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-18 13:29:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 13:29:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 13:29:48,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-12-18 13:29:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-12-18 13:29:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-18 13:29:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 13:29:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:48,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-18 13:29:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 13:29:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 13:29:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-18 13:29:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 13:29:49,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-18 13:29:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 13:29:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 13:29:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 13:29:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-18 13:29:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-12-18 13:29:49,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 13:29:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 13:29:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 13:29:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 13:29:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 13:29:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2021-12-18 13:29:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-12-18 13:29:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2021-12-18 13:29:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-12-18 13:29:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 13:29:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 13:29:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-18 13:29:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-18 13:29:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 13:29:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-12-18 13:29:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-12-18 13:29:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2021-12-18 13:29:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 13:29:49,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4584 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4558 trivial. 0 not checked. [2021-12-18 13:29:49,202 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 13:29:49,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077844222] [2021-12-18 13:29:49,202 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077844222] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 13:29:49,202 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 13:29:49,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 13:29:49,203 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677080150] [2021-12-18 13:29:49,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 13:29:49,204 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 13:29:49,204 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 13:29:49,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 13:29:49,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 13:29:49,205 INFO L87 Difference]: Start difference. First operand 172027 states and 231506 transitions. Second operand has 5 states, 5 states have (on average 35.0) internal successors, (175), 3 states have internal predecessors, (175), 4 states have call successors, (60), 4 states have call predecessors, (60), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2021-12-18 13:29:55,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:00,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:02,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:04,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:07,924 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 13:30:10,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []