./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 6c24879c 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-?-6c24879 [2022-07-12 16:12:47,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:12:47,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:12:47,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:12:47,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:12:47,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:12:47,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:12:47,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:12:47,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:12:47,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:12:47,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:12:47,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:12:47,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:12:47,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:12:47,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:12:47,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:12:47,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:12:47,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:12:47,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:12:47,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:12:47,849 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:12:47,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:12:47,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:12:47,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:12:47,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:12:47,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:12:47,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:12:47,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:12:47,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:12:47,859 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:12:47,860 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:12:47,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:12:47,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:12:47,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:12:47,862 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:12:47,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:12:47,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:12:47,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:12:47,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:12:47,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:12:47,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:12:47,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:12:47,866 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:12:47,888 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:12:47,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:12:47,889 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:12:47,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:12:47,890 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:12:47,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:12:47,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:12:47,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:12:47,891 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:12:47,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:12:47,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:12:47,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:12:47,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:12:47,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:12:47,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:12:47,892 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:12:47,892 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:12:47,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:12:47,893 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:12:47,893 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:12:47,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:12:47,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:12:47,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:12:47,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:12:47,894 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:12:47,894 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:12:47,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:12:47,894 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:12:47,894 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:12:47,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:12:47,894 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2d7f6c194f04de54ba5a893678a720456a663ad567a49e51faf84a68b16d812 [2022-07-12 16:12:48,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:12:48,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:12:48,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:12:48,094 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:12:48,095 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:12:48,095 INFO L432 ainManager$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 [2022-07-12 16:12:48,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab9956db/0401873e51cd42068d7396adcfbb63ce/FLAGe32ced0df [2022-07-12 16:12:48,792 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:12:48,792 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 [2022-07-12 16:12:48,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab9956db/0401873e51cd42068d7396adcfbb63ce/FLAGe32ced0df [2022-07-12 16:12:49,129 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ab9956db/0401873e51cd42068d7396adcfbb63ce [2022-07-12 16:12:49,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:12:49,132 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:12:49,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:12:49,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:12:49,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:12:49,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:49" (1/1) ... [2022-07-12 16:12:49,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1ef377 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:49, skipping insertion in model container [2022-07-12 16:12:49,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:12:49" (1/1) ... [2022-07-12 16:12:49,143 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:12:49,245 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:12:51,376 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] [2022-07-12 16:12:51,378 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] [2022-07-12 16:12:51,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:51,428 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:12:51,715 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] [2022-07-12 16:12:51,716 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] [2022-07-12 16:12:51,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:12:51,902 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:12:51,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51 WrapperNode [2022-07-12 16:12:51,903 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:12:51,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:12:51,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:12:51,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:12:51,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:51,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:52,119 INFO L137 Inliner]: procedures = 562, calls = 2384, calls flagged for inlining = 265, calls inlined = 187, statements flattened = 4548 [2022-07-12 16:12:52,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:12:52,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:12:52,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:12:52,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:12:52,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:52,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:52,151 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:52,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:52,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:52,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:52,267 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:52,284 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:12:52,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:12:52,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:12:52,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:12:52,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (1/1) ... [2022-07-12 16:12:52,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:12:52,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:12:52,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 16:12:52,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 16:12:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure get_page [2022-07-12 16:12:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure get_page [2022-07-12 16:12:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:12:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:12:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-12 16:12:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-12 16:12:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-12 16:12:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-12 16:12:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:12:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:12:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-07-12 16:12:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_lock_of_netfront_info [2022-07-12 16:12:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure bind_evtchn_to_irqhandler [2022-07-12 16:12:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_evtchn_to_irqhandler [2022-07-12 16:12:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 16:12:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 16:12:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_interrupt [2022-07-12 16:12:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_interrupt [2022-07-12 16:12:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:12:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:12:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_grant_ring [2022-07-12 16:12:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_grant_ring [2022-07-12 16:12:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-07-12 16:12:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-07-12 16:12:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_claim_grant_reference [2022-07-12 16:12:52,339 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_claim_grant_reference [2022-07-12 16:12:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access [2022-07-12 16:12:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access [2022-07-12 16:12:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_disconnect_backend [2022-07-12 16:12:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_disconnect_backend [2022-07-12 16:12:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:12:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:12:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_alloc_grant_references [2022-07-12 16:12:52,340 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_alloc_grant_references [2022-07-12 16:12:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_release_grant_reference [2022-07-12 16:12:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_release_grant_reference [2022-07-12 16:12:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:12:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:12:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:12:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:12:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:12:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:12:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rxidx [2022-07-12 16:12:52,341 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rxidx [2022-07-12 16:12:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:12:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-12 16:12:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-12 16:12:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure pfn_to_mfn [2022-07-12 16:12:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pfn_to_mfn [2022-07-12 16:12:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure skb_entry_set_link [2022-07-12 16:12:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_entry_set_link [2022-07-12 16:12:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:12:52,342 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:12:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_free_grant_references [2022-07-12 16:12:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_free_grant_references [2022-07-12 16:12:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-12 16:12:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-12 16:12:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 16:12:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 16:12:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:12:52,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:12:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 16:12:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:12:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:12:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 16:12:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:12:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:12:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:12:52,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:12:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_124 [2022-07-12 16:12:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_124 [2022-07-12 16:12:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:12:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:12:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-12 16:12:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-12 16:12:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_ref [2022-07-12 16:12:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_ref [2022-07-12 16:12:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-07-12 16:12:52,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_netfront_info [2022-07-12 16:12:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-12 16:12:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-12 16:12:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:12:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:12:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:12:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:12:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:12:52,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:12:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:12:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:12:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-12 16:12:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-12 16:12:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-12 16:12:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_grant_foreign_access_ref [2022-07-12 16:12:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_grant_foreign_access_ref [2022-07-12 16:12:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:12:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:12:52,347 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:12:52,347 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:12:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:12:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:12:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:12:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:12:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_get_rx_skb [2022-07-12 16:12:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_get_rx_skb [2022-07-12 16:12:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:12:52,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:12:52,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-07-12 16:12:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_netif_exit_20_2 [2022-07-12 16:12:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 16:12:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 16:12:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:12:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:12:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_release_tx_bufs [2022-07-12 16:12:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_release_tx_bufs [2022-07-12 16:12:52,349 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-07-12 16:12:52,349 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-07-12 16:12:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_write [2022-07-12 16:12:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_write [2022-07-12 16:12:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:12:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:12:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:12:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:12:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_transaction_end [2022-07-12 16:12:52,350 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_transaction_end [2022-07-12 16:12:52,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:12:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:12:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:12:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:12:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-12 16:12:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-12 16:12:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_alloc_evtchn [2022-07-12 16:12:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_alloc_evtchn [2022-07-12 16:12:52,351 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 16:12:52,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 16:12:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:12:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure netfront_tx_slot_available [2022-07-12 16:12:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure netfront_tx_slot_available [2022-07-12 16:12:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2022-07-12 16:12:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2022-07-12 16:12:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-07-12 16:12:52,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_tx_lock_of_netfront_info [2022-07-12 16:12:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:12:52,352 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-12 16:12:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-12 16:12:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_min [2022-07-12 16:12:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_min [2022-07-12 16:12:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_107 [2022-07-12 16:12:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_107 [2022-07-12 16:12:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:12:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-12 16:12:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-12 16:12:52,353 INFO L130 BoogieDeclarations]: Found specification of procedure add_id_to_freelist [2022-07-12 16:12:52,353 INFO L138 BoogieDeclarations]: Found implementation of procedure add_id_to_freelist [2022-07-12 16:12:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_alloc_rx_buffers [2022-07-12 16:12:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_alloc_rx_buffers [2022-07-12 16:12:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:12:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:12:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:12:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:12:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-12 16:12:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-12 16:12:52,354 INFO L130 BoogieDeclarations]: Found specification of procedure gnttab_end_foreign_access_ref [2022-07-12 16:12:52,354 INFO L138 BoogieDeclarations]: Found implementation of procedure gnttab_end_foreign_access_ref [2022-07-12 16:12:52,355 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-12 16:12:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-12 16:12:52,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_104 [2022-07-12 16:12:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_104 [2022-07-12 16:12:52,355 INFO L130 BoogieDeclarations]: Found specification of procedure unbind_from_irqhandler [2022-07-12 16:12:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure unbind_from_irqhandler [2022-07-12 16:12:52,355 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-07-12 16:12:52,355 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-07-12 16:12:52,355 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-07-12 16:12:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-07-12 16:12:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:12:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:12:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:12:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:12:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-07-12 16:12:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-07-12 16:12:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_end_access [2022-07-12 16:12:52,356 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_end_access [2022-07-12 16:12:52,356 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:12:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:12:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:12:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:12:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure skb_add_rx_frag [2022-07-12 16:12:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_add_rx_frag [2022-07-12 16:12:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 16:12:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:12:52,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:12:52,357 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:12:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:12:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_rx_interrupt [2022-07-12 16:12:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_rx_interrupt [2022-07-12 16:12:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-07-12 16:12:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_rx_lock_of_netfront_info [2022-07-12 16:12:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 16:12:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 16:12:52,358 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-07-12 16:12:52,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-07-12 16:12:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_105 [2022-07-12 16:12:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_105 [2022-07-12 16:12:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure store_rxbuf_max [2022-07-12 16:12:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure store_rxbuf_max [2022-07-12 16:12:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 16:12:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 16:12:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-12 16:12:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-12 16:12:52,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:12:52,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:12:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_interrupt [2022-07-12 16:12:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_interrupt [2022-07-12 16:12:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_123 [2022-07-12 16:12:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_123 [2022-07-12 16:12:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 16:12:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:12:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:12:52,360 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 16:12:52,360 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 16:12:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-07-12 16:12:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-07-12 16:12:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_free_evtchn [2022-07-12 16:12:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_free_evtchn [2022-07-12 16:12:52,361 INFO L130 BoogieDeclarations]: Found specification of procedure xennet_tx_buf_gc [2022-07-12 16:12:52,361 INFO L138 BoogieDeclarations]: Found implementation of procedure xennet_tx_buf_gc [2022-07-12 16:12:52,971 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:12:52,973 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:12:53,100 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:12:58,309 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:12:58,406 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:12:58,425 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:12:58,430 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 16:12:58,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:12:58 BoogieIcfgContainer [2022-07-12 16:12:58,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:12:58,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:12:58,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:12:58,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:12:58,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:12:49" (1/3) ... [2022-07-12 16:12:58,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbb652f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:12:58, skipping insertion in model container [2022-07-12 16:12:58,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:12:51" (2/3) ... [2022-07-12 16:12:58,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bbb652f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:12:58, skipping insertion in model container [2022-07-12 16:12:58,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:12:58" (3/3) ... [2022-07-12 16:12:58,441 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-xen-netfront.cil.i [2022-07-12 16:12:58,450 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:12:58,450 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 16:12:58,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:12:58,533 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6bbf7f2c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@2f5e46c9 [2022-07-12 16:12:58,533 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 16:12:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 1647 states, 1110 states have (on average 1.2702702702702702) internal successors, (1410), 1129 states have internal predecessors, (1410), 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) [2022-07-12 16:12:58,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2022-07-12 16:12:58,594 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:12:58,595 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:12:58,596 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:12:58,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:12:58,599 INFO L85 PathProgramCache]: Analyzing trace with hash 346300880, now seen corresponding path program 1 times [2022-07-12 16:12:58,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:12:58,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353056172] [2022-07-12 16:12:58,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:12:58,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:12:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:12:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:12:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:12:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:12:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:12:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:12:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:12:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:12:59,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:12:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:12:59,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:12:59,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:12:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:12:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:12:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:12:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:12:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:12:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:12:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:12:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:12:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:12:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:12:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:12:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:12:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:12:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:12:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:12:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:12:59,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:12:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:12:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 16:12:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:12:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:12:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-12 16:12:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 16:12:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-12 16:12:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-12 16:12:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:12:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:12:59,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-12 16:12:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-12 16:12:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:12:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 16:12:59,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 16:12:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-12 16:12:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:12:59,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3756 trivial. 0 not checked. [2022-07-12 16:12:59,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:12:59,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353056172] [2022-07-12 16:12:59,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353056172] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:12:59,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:12:59,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:12:59,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739688938] [2022-07-12 16:12:59,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:12:59,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:12:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:12:59,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:12:59,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:12:59,950 INFO L87 Difference]: Start difference. First operand has 1647 states, 1110 states have (on average 1.2702702702702702) internal successors, (1410), 1129 states have internal predecessors, (1410), 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 25.2) 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) [2022-07-12 16:13:04,791 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:07,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:09,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:12,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:14,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:16,318 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 [] [2022-07-12 16:13:16,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:13:16,762 INFO L93 Difference]: Finished difference Result 4927 states and 6900 transitions. [2022-07-12 16:13:16,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:13:16,768 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 [2022-07-12 16:13:16,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:13:16,811 INFO L225 Difference]: With dead ends: 4927 [2022-07-12 16:13:16,811 INFO L226 Difference]: Without dead ends: 3257 [2022-07-12 16:13:16,823 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:13:16,826 INFO L413 NwaCegarLoop]: 2330 mSDtfsCounter, 3897 mSDsluCounter, 2680 mSDsCounter, 0 mSdLazyCounter, 2835 mSolverCounterSat, 2670 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4186 SdHoareTripleChecker+Valid, 5010 SdHoareTripleChecker+Invalid, 5511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2670 IncrementalHoareTripleChecker+Valid, 2835 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:13:16,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4186 Valid, 5010 Invalid, 5511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2670 Valid, 2835 Invalid, 6 Unknown, 0 Unchecked, 16.4s Time] [2022-07-12 16:13:16,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3257 states. [2022-07-12 16:13:16,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3257 to 3087. [2022-07-12 16:13:17,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 2118 states have (on average 1.2625118035882907) internal successors, (2674), 2156 states have internal predecessors, (2674), 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) [2022-07-12 16:13:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 4198 transitions. [2022-07-12 16:13:17,057 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 4198 transitions. Word has length 459 [2022-07-12 16:13:17,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:13:17,061 INFO L495 AbstractCegarLoop]: Abstraction has 3087 states and 4198 transitions. [2022-07-12 16:13:17,061 INFO L496 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) [2022-07-12 16:13:17,061 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 4198 transitions. [2022-07-12 16:13:17,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2022-07-12 16:13:17,077 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:13:17,077 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:13:17,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 16:13:17,078 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:13:17,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:13:17,079 INFO L85 PathProgramCache]: Analyzing trace with hash 549787104, now seen corresponding path program 1 times [2022-07-12 16:13:17,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:13:17,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128430486] [2022-07-12 16:13:17,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:13:17,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:13:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:13:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:13:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:13:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:13:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:13:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:13:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:13:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:13:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:13:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:13:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:13:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:13:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:13:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:13:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:13:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:13:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:13:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:13:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:13:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:13:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:13:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:13:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:13:17,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:13:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:13:17,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:13:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:13:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:13:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:13:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:13:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 16:13:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:13:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:13:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-12 16:13:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 16:13:17,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 16:13:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 16:13:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 16:13:17,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:13:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:13:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-12 16:13:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 16:13:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 16:13:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-12 16:13:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-12 16:13:17,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:17,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2022-07-12 16:13:17,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:13:17,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128430486] [2022-07-12 16:13:17,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128430486] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:13:17,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:13:17,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:13:17,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938384479] [2022-07-12 16:13:17,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:13:17,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:13:17,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:13:17,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:13:17,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:13:17,749 INFO L87 Difference]: Start difference. First operand 3087 states and 4198 transitions. 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) [2022-07-12 16:13:22,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:25,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:27,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:29,774 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:31,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:32,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:13:32,254 INFO L93 Difference]: Finished difference Result 9375 states and 12819 transitions. [2022-07-12 16:13:32,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:13:32,255 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 [2022-07-12 16:13:32,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:13:32,287 INFO L225 Difference]: With dead ends: 9375 [2022-07-12 16:13:32,287 INFO L226 Difference]: Without dead ends: 6351 [2022-07-12 16:13:32,299 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:13:32,300 INFO L413 NwaCegarLoop]: 2292 mSDtfsCounter, 3817 mSDsluCounter, 2705 mSDsCounter, 0 mSdLazyCounter, 2710 mSolverCounterSat, 2435 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4098 SdHoareTripleChecker+Valid, 4997 SdHoareTripleChecker+Invalid, 5150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2435 IncrementalHoareTripleChecker+Valid, 2710 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:13:32,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4098 Valid, 4997 Invalid, 5150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2435 Valid, 2710 Invalid, 5 Unknown, 0 Unchecked, 14.2s Time] [2022-07-12 16:13:32,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6351 states. [2022-07-12 16:13:32,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6351 to 6013. [2022-07-12 16:13:32,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6013 states, 4134 states have (on average 1.2619738751814225) internal successors, (5217), 4212 states have internal predecessors, (5217), 1467 states have call successors, (1467), 411 states have call predecessors, (1467), 411 states have return successors, (1467), 1457 states have call predecessors, (1467), 1467 states have call successors, (1467) [2022-07-12 16:13:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6013 states to 6013 states and 8151 transitions. [2022-07-12 16:13:32,544 INFO L78 Accepts]: Start accepts. Automaton has 6013 states and 8151 transitions. Word has length 465 [2022-07-12 16:13:32,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:13:32,546 INFO L495 AbstractCegarLoop]: Abstraction has 6013 states and 8151 transitions. [2022-07-12 16:13:32,546 INFO L496 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) [2022-07-12 16:13:32,546 INFO L276 IsEmpty]: Start isEmpty. Operand 6013 states and 8151 transitions. [2022-07-12 16:13:32,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-07-12 16:13:32,560 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:13:32,560 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:13:32,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 16:13:32,561 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:13:32,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:13:32,562 INFO L85 PathProgramCache]: Analyzing trace with hash -1332153623, now seen corresponding path program 1 times [2022-07-12 16:13:32,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:13:32,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662557805] [2022-07-12 16:13:32,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:13:32,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:13:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:13:32,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:13:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:13:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:13:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:13:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:13:32,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:13:32,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:13:32,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:13:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:13:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:13:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:13:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:13:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:13:32,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:13:32,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:13:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:13:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:13:32,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:13:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:13:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:13:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:13:32,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:13:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:13:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:32,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:13:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:13:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:13:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:13:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:33,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:13:33,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:13:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-12 16:13:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:13:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:13:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-12 16:13:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 16:13:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-12 16:13:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 16:13:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-12 16:13:33,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:13:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:13:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-12 16:13:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-12 16:13:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 16:13:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-12 16:13:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 16:13:33,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:33,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3768 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3768 trivial. 0 not checked. [2022-07-12 16:13:33,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:13:33,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662557805] [2022-07-12 16:13:33,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662557805] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:13:33,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:13:33,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:13:33,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116940341] [2022-07-12 16:13:33,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:13:33,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:13:33,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:13:33,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:13:33,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:13:33,240 INFO L87 Difference]: Start difference. First operand 6013 states and 8151 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) [2022-07-12 16:13:37,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:40,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:42,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:44,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:46,924 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 [] [2022-07-12 16:13:47,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:13:47,400 INFO L93 Difference]: Finished difference Result 18388 states and 25050 transitions. [2022-07-12 16:13:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:13:47,401 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 [2022-07-12 16:13:47,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:13:47,453 INFO L225 Difference]: With dead ends: 18388 [2022-07-12 16:13:47,453 INFO L226 Difference]: Without dead ends: 12438 [2022-07-12 16:13:47,474 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:13:47,475 INFO L413 NwaCegarLoop]: 2332 mSDtfsCounter, 3817 mSDsluCounter, 2762 mSDsCounter, 0 mSdLazyCounter, 2710 mSolverCounterSat, 2413 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4098 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 5128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2413 IncrementalHoareTripleChecker+Valid, 2710 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:13:47,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4098 Valid, 5094 Invalid, 5128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2413 Valid, 2710 Invalid, 5 Unknown, 0 Unchecked, 13.8s Time] [2022-07-12 16:13:47,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12438 states. [2022-07-12 16:13:47,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12438 to 11776. [2022-07-12 16:13:47,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11776 states, 8107 states have (on average 1.2600222030344148) internal successors, (10215), 8265 states have internal predecessors, (10215), 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) [2022-07-12 16:13:47,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11776 states to 11776 states and 15913 transitions. [2022-07-12 16:13:47,907 INFO L78 Accepts]: Start accepts. Automaton has 11776 states and 15913 transitions. Word has length 464 [2022-07-12 16:13:47,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:13:47,910 INFO L495 AbstractCegarLoop]: Abstraction has 11776 states and 15913 transitions. [2022-07-12 16:13:47,911 INFO L496 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) [2022-07-12 16:13:47,911 INFO L276 IsEmpty]: Start isEmpty. Operand 11776 states and 15913 transitions. [2022-07-12 16:13:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-07-12 16:13:47,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:13:47,935 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 29, 29, 29, 29, 29, 29, 5, 5, 5, 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] [2022-07-12 16:13:47,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 16:13:47,935 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:13:47,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:13:47,936 INFO L85 PathProgramCache]: Analyzing trace with hash -301820751, now seen corresponding path program 1 times [2022-07-12 16:13:47,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:13:47,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105498484] [2022-07-12 16:13:47,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:13:47,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:13:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:13:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:13:48,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:13:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:13:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:13:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:13:48,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:13:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:13:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:13:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:13:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:13:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:13:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:13:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:13:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:13:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:13:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:13:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:13:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:13:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:13:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:13:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:13:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:13:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:13:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:13:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:13:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:13:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:13:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:13:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:13:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-12 16:13:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 16:13:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-12 16:13:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:13:48,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:13:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-12 16:13:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2022-07-12 16:13:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2022-07-12 16:13:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 16:13:48,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-12 16:13:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:13:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:13:48,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-12 16:13:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-12 16:13:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:13:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-12 16:13:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-12 16:13:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2022-07-12 16:13:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:13:48,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3877 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3874 trivial. 0 not checked. [2022-07-12 16:13:48,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:13:48,533 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105498484] [2022-07-12 16:13:48,533 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105498484] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:13:48,533 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:13:48,533 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:13:48,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264628207] [2022-07-12 16:13:48,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:13:48,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:13:48,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:13:48,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:13:48,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:13:48,536 INFO L87 Difference]: Start difference. First operand 11776 states and 15913 transitions. Second operand has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 4 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 4 states have call successors, (51) [2022-07-12 16:13:52,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:55,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:13:57,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:00,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:02,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:02,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:14:02,531 INFO L93 Difference]: Finished difference Result 25648 states and 34764 transitions. [2022-07-12 16:14:02,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:14:02,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 4 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 4 states have call successors, (51) Word has length 487 [2022-07-12 16:14:02,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:14:02,593 INFO L225 Difference]: With dead ends: 25648 [2022-07-12 16:14:02,593 INFO L226 Difference]: Without dead ends: 13935 [2022-07-12 16:14:02,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:14:02,628 INFO L413 NwaCegarLoop]: 2389 mSDtfsCounter, 3275 mSDsluCounter, 2630 mSDsCounter, 0 mSdLazyCounter, 2676 mSolverCounterSat, 2218 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3526 SdHoareTripleChecker+Valid, 5019 SdHoareTripleChecker+Invalid, 4899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2218 IncrementalHoareTripleChecker+Valid, 2676 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:14:02,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3526 Valid, 5019 Invalid, 4899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2218 Valid, 2676 Invalid, 5 Unknown, 0 Unchecked, 13.6s Time] [2022-07-12 16:14:02,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13935 states. [2022-07-12 16:14:03,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13935 to 13318. [2022-07-12 16:14:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13318 states, 9165 states have (on average 1.2564102564102564) internal successors, (11515), 9346 states have internal predecessors, (11515), 3209 states have call successors, (3209), 940 states have call predecessors, (3209), 943 states have return successors, (3229), 3186 states have call predecessors, (3229), 3209 states have call successors, (3229) [2022-07-12 16:14:03,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13318 states to 13318 states and 17953 transitions. [2022-07-12 16:14:03,094 INFO L78 Accepts]: Start accepts. Automaton has 13318 states and 17953 transitions. Word has length 487 [2022-07-12 16:14:03,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:03,095 INFO L495 AbstractCegarLoop]: Abstraction has 13318 states and 17953 transitions. [2022-07-12 16:14:03,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.0) internal successors, (140), 3 states have internal predecessors, (140), 4 states have call successors, (54), 4 states have call predecessors, (54), 1 states have return successors, (51), 3 states have call predecessors, (51), 4 states have call successors, (51) [2022-07-12 16:14:03,095 INFO L276 IsEmpty]: Start isEmpty. Operand 13318 states and 17953 transitions. [2022-07-12 16:14:03,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2022-07-12 16:14:03,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:03,123 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 7, 7, 7, 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, 1, 1] [2022-07-12 16:14:03,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 16:14:03,124 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:03,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:03,124 INFO L85 PathProgramCache]: Analyzing trace with hash 381955911, now seen corresponding path program 1 times [2022-07-12 16:14:03,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:14:03,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988878463] [2022-07-12 16:14:03,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:03,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:14:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:14:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:14:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:14:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:14:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:14:03,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:14:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:14:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:14:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:14:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:14:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:14:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:14:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:14:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:14:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:14:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:14:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:14:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:14:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:14:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:14:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:14:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:14:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:14:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:14:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:14:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:14:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:14:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:14:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:14:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:14:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 16:14:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 16:14:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 16:14:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 16:14:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 16:14:03,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 16:14:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 16:14:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:14:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:14:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-07-12 16:14:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 16:14:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-12 16:14:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-07-12 16:14:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-12 16:14:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:14:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:14:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-12 16:14:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2022-07-12 16:14:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-12 16:14:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2022-07-12 16:14:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2022-07-12 16:14:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:03,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4122 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4107 trivial. 0 not checked. [2022-07-12 16:14:03,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:14:03,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988878463] [2022-07-12 16:14:03,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988878463] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:03,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:03,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:14:03,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373461641] [2022-07-12 16:14:03,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:03,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:14:03,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:14:03,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:14:03,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:14:03,807 INFO L87 Difference]: Start difference. First operand 13318 states and 17953 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, (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) [2022-07-12 16:14:08,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:11,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:13,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:15,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:17,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:18,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:14:18,148 INFO L93 Difference]: Finished difference Result 37892 states and 51365 transitions. [2022-07-12 16:14:18,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:14:18,149 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, (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 528 [2022-07-12 16:14:18,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:14:18,249 INFO L225 Difference]: With dead ends: 37892 [2022-07-12 16:14:18,249 INFO L226 Difference]: Without dead ends: 26004 [2022-07-12 16:14:18,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:14:18,296 INFO L413 NwaCegarLoop]: 3892 mSDtfsCounter, 2710 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 2852 mSolverCounterSat, 1675 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2993 SdHoareTripleChecker+Valid, 7987 SdHoareTripleChecker+Invalid, 4532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1675 IncrementalHoareTripleChecker+Valid, 2852 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:14:18,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2993 Valid, 7987 Invalid, 4532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1675 Valid, 2852 Invalid, 5 Unknown, 0 Unchecked, 13.8s Time] [2022-07-12 16:14:18,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26004 states. [2022-07-12 16:14:19,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26004 to 24731. [2022-07-12 16:14:19,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24731 states, 17027 states have (on average 1.2571210430492747) internal successors, (21405), 17352 states have internal predecessors, (21405), 5941 states have call successors, (5941), 1759 states have call predecessors, (5941), 1762 states have return successors, (5961), 5910 states have call predecessors, (5961), 5941 states have call successors, (5961) [2022-07-12 16:14:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24731 states to 24731 states and 33307 transitions. [2022-07-12 16:14:19,140 INFO L78 Accepts]: Start accepts. Automaton has 24731 states and 33307 transitions. Word has length 528 [2022-07-12 16:14:19,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:19,142 INFO L495 AbstractCegarLoop]: Abstraction has 24731 states and 33307 transitions. [2022-07-12 16:14:19,142 INFO L496 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, (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) [2022-07-12 16:14:19,142 INFO L276 IsEmpty]: Start isEmpty. Operand 24731 states and 33307 transitions. [2022-07-12 16:14:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2022-07-12 16:14:19,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:19,181 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:14:19,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 16:14:19,181 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:19,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:19,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1152805286, now seen corresponding path program 1 times [2022-07-12 16:14:19,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:14:19,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431644310] [2022-07-12 16:14:19,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:19,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:14:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:14:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:14:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:14:19,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:14:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:14:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:14:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:14:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:14:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:14:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:14:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:14:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:14:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:14:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:14:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:14:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:14:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:14:19,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:14:19,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:14:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:14:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:14:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:14:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:14:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:14:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:14:19,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:14:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:14:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:14:19,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:14:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:14:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 16:14:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 16:14:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 16:14:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 16:14:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 16:14:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 16:14:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-12 16:14:19,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:14:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:14:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 16:14:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-12 16:14:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-12 16:14:19,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-12 16:14:19,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:14:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:14:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-12 16:14:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2022-07-12 16:14:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-12 16:14:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2022-07-12 16:14:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2022-07-12 16:14:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:19,666 INFO L134 CoverageAnalysis]: Checked inductivity of 4098 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4083 trivial. 0 not checked. [2022-07-12 16:14:19,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:14:19,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431644310] [2022-07-12 16:14:19,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431644310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:19,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:19,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:14:19,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651395959] [2022-07-12 16:14:19,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:19,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:14:19,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:14:19,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:14:19,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:14:19,668 INFO L87 Difference]: Start difference. First operand 24731 states and 33307 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) [2022-07-12 16:14:24,506 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:26,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:29,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:31,534 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:33,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:35,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:37,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:39,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:40,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:14:40,395 INFO L93 Difference]: Finished difference Result 61382 states and 83105 transitions. [2022-07-12 16:14:40,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:14:40,396 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 [2022-07-12 16:14:40,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:14:40,533 INFO L225 Difference]: With dead ends: 61382 [2022-07-12 16:14:40,533 INFO L226 Difference]: Without dead ends: 38025 [2022-07-12 16:14:40,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-12 16:14:40,590 INFO L413 NwaCegarLoop]: 3894 mSDtfsCounter, 2707 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 1675 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 7996 SdHoareTripleChecker+Invalid, 4537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1675 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:14:40,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2988 Valid, 7996 Invalid, 4537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1675 Valid, 2854 Invalid, 8 Unknown, 0 Unchecked, 19.9s Time] [2022-07-12 16:14:40,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38025 states. [2022-07-12 16:14:41,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38025 to 36096. [2022-07-12 16:14:41,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36096 states, 24841 states have (on average 1.2575580693208808) internal successors, (31239), 25310 states have internal predecessors, (31239), 8673 states have call successors, (8673), 2578 states have call predecessors, (8673), 2581 states have return successors, (8693), 8634 states have call predecessors, (8693), 8673 states have call successors, (8693) [2022-07-12 16:14:41,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36096 states to 36096 states and 48605 transitions. [2022-07-12 16:14:41,812 INFO L78 Accepts]: Start accepts. Automaton has 36096 states and 48605 transitions. Word has length 523 [2022-07-12 16:14:41,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:41,813 INFO L495 AbstractCegarLoop]: Abstraction has 36096 states and 48605 transitions. [2022-07-12 16:14:41,813 INFO L496 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) [2022-07-12 16:14:41,813 INFO L276 IsEmpty]: Start isEmpty. Operand 36096 states and 48605 transitions. [2022-07-12 16:14:42,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 564 [2022-07-12 16:14:42,016 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:42,017 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 30, 30, 30, 30, 30, 30, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 16:14:42,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 16:14:42,017 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:42,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:42,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1899596592, now seen corresponding path program 1 times [2022-07-12 16:14:42,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:14:42,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54816482] [2022-07-12 16:14:42,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:42,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:14:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:14:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:14:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:14:42,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:14:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:14:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:14:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:14:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:14:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:14:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:14:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:14:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:14:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:14:42,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:14:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:14:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:14:42,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:14:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:14:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:14:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:14:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:14:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:14:42,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:14:42,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:14:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:14:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:14:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:14:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:14:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:14:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:14:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-12 16:14:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 16:14:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-12 16:14:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-12 16:14:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-12 16:14:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2022-07-12 16:14:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-12 16:14:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-12 16:14:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:14:42,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:14:42,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2022-07-12 16:14:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:14:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:14:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-12 16:14:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 16:14:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 16:14:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:14:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 16:14:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 16:14:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 16:14:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-07-12 16:14:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 16:14:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-12 16:14:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-12 16:14:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-12 16:14:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-12 16:14:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2022-07-12 16:14:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4070 trivial. 0 not checked. [2022-07-12 16:14:42,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:14:42,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54816482] [2022-07-12 16:14:42,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54816482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:42,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:42,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 16:14:42,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438165158] [2022-07-12 16:14:42,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:42,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 16:14:42,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:14:42,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 16:14:42,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-12 16:14:42,798 INFO L87 Difference]: Start difference. First operand 36096 states and 48605 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 3 states have internal predecessors, (172), 5 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 5 states have call successors, (63) [2022-07-12 16:14:48,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:50,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:14:53,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:14:53,616 INFO L93 Difference]: Finished difference Result 95992 states and 130339 transitions. [2022-07-12 16:14:53,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-12 16:14:53,619 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 3 states have internal predecessors, (172), 5 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 5 states have call successors, (63) Word has length 563 [2022-07-12 16:14:53,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:14:53,957 INFO L225 Difference]: With dead ends: 95992 [2022-07-12 16:14:53,957 INFO L226 Difference]: Without dead ends: 59537 [2022-07-12 16:14:54,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=474, Unknown=0, NotChecked=0, Total=650 [2022-07-12 16:14:54,050 INFO L413 NwaCegarLoop]: 2137 mSDtfsCounter, 5511 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 4022 mSolverCounterSat, 4776 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5616 SdHoareTripleChecker+Valid, 6091 SdHoareTripleChecker+Invalid, 8800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4776 IncrementalHoareTripleChecker+Valid, 4022 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:14:54,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5616 Valid, 6091 Invalid, 8800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4776 Valid, 4022 Invalid, 2 Unknown, 0 Unchecked, 8.9s Time] [2022-07-12 16:14:54,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59537 states. [2022-07-12 16:14:55,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59537 to 53281. [2022-07-12 16:14:55,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53281 states, 36872 states have (on average 1.2585973096116294) internal successors, (46407), 37496 states have internal predecessors, (46407), 12588 states have call successors, (12588), 3778 states have call predecessors, (12588), 3820 states have return successors, (12899), 12528 states have call predecessors, (12899), 12588 states have call successors, (12899) [2022-07-12 16:14:56,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53281 states to 53281 states and 71894 transitions. [2022-07-12 16:14:56,129 INFO L78 Accepts]: Start accepts. Automaton has 53281 states and 71894 transitions. Word has length 563 [2022-07-12 16:14:56,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:14:56,130 INFO L495 AbstractCegarLoop]: Abstraction has 53281 states and 71894 transitions. [2022-07-12 16:14:56,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 3 states have internal predecessors, (172), 5 states have call successors, (65), 7 states have call predecessors, (65), 1 states have return successors, (63), 3 states have call predecessors, (63), 5 states have call successors, (63) [2022-07-12 16:14:56,130 INFO L276 IsEmpty]: Start isEmpty. Operand 53281 states and 71894 transitions. [2022-07-12 16:14:56,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-12 16:14:56,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:14:56,189 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:14:56,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 16:14:56,190 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:14:56,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:14:56,190 INFO L85 PathProgramCache]: Analyzing trace with hash 728207384, now seen corresponding path program 1 times [2022-07-12 16:14:56,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:14:56,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408252657] [2022-07-12 16:14:56,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:14:56,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:14:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:14:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:14:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:14:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:14:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:14:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:14:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:14:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:14:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:14:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:14:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:14:56,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:14:56,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:14:56,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:14:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:14:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:14:56,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:14:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:14:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:14:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:14:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:14:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:14:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:14:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:14:56,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:14:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:14:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:14:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:14:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:14:56,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:14:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 16:14:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 16:14:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 16:14:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 16:14:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 16:14:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 16:14:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 16:14:56,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 16:14:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 16:14:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-12 16:14:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:14:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:14:56,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 16:14:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-12 16:14:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 16:14:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 16:14:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:14:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:14:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-12 16:14:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-12 16:14:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:14:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-12 16:14:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-12 16:14:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-12 16:14:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:14:56,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4345 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 4317 trivial. 0 not checked. [2022-07-12 16:14:56,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:14:56,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408252657] [2022-07-12 16:14:56,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408252657] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:14:56,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:14:56,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:14:56,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300973552] [2022-07-12 16:14:56,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:14:56,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:14:56,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:14:56,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:14:56,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:14:56,852 INFO L87 Difference]: Start difference. First operand 53281 states and 71894 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 3 states have internal predecessors, (165), 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) [2022-07-12 16:15:01,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:03,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:07,248 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:09,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:11,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:13,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:14,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:15:14,471 INFO L93 Difference]: Finished difference Result 127321 states and 172311 transitions. [2022-07-12 16:15:14,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:15:14,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 3 states have internal predecessors, (165), 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 547 [2022-07-12 16:15:14,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:15:14,908 INFO L225 Difference]: With dead ends: 127321 [2022-07-12 16:15:14,908 INFO L226 Difference]: Without dead ends: 74052 [2022-07-12 16:15:15,020 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:15:15,020 INFO L413 NwaCegarLoop]: 3894 mSDtfsCounter, 2705 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 2845 mSolverCounterSat, 1672 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2986 SdHoareTripleChecker+Valid, 7996 SdHoareTripleChecker+Invalid, 4522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1672 IncrementalHoareTripleChecker+Valid, 2845 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:15:15,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2986 Valid, 7996 Invalid, 4522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1672 Valid, 2845 Invalid, 5 Unknown, 0 Unchecked, 15.5s Time] [2022-07-12 16:15:15,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74052 states. [2022-07-12 16:15:16,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74052 to 53281. [2022-07-12 16:15:16,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53281 states, 36872 states have (on average 1.2585701887611196) internal successors, (46406), 37496 states have internal predecessors, (46406), 12588 states have call successors, (12588), 3778 states have call predecessors, (12588), 3820 states have return successors, (12899), 12528 states have call predecessors, (12899), 12588 states have call successors, (12899) [2022-07-12 16:15:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53281 states to 53281 states and 71893 transitions. [2022-07-12 16:15:17,030 INFO L78 Accepts]: Start accepts. Automaton has 53281 states and 71893 transitions. Word has length 547 [2022-07-12 16:15:17,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:15:17,030 INFO L495 AbstractCegarLoop]: Abstraction has 53281 states and 71893 transitions. [2022-07-12 16:15:17,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 3 states have internal predecessors, (165), 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) [2022-07-12 16:15:17,031 INFO L276 IsEmpty]: Start isEmpty. Operand 53281 states and 71893 transitions. [2022-07-12 16:15:17,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2022-07-12 16:15:17,088 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:15:17,089 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:15:17,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 16:15:17,089 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:15:17,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:15:17,089 INFO L85 PathProgramCache]: Analyzing trace with hash 886846762, now seen corresponding path program 1 times [2022-07-12 16:15:17,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:15:17,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607155066] [2022-07-12 16:15:17,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:15:17,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:15:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:15:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:15:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:15:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:15:17,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:15:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:15:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:15:17,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:15:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:15:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:15:17,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:15:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:15:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:15:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:15:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:15:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:15:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:15:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:15:17,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:15:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:15:17,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:15:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:15:17,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:15:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:15:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:15:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:15:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:15:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:15:17,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:15:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:15:17,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 16:15:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 16:15:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 16:15:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 16:15:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 16:15:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 16:15:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 16:15:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 16:15:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 16:15:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-12 16:15:17,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:15:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:15:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-12 16:15:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2022-07-12 16:15:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2022-07-12 16:15:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-07-12 16:15:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-07-12 16:15:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:15:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:15:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-12 16:15:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-07-12 16:15:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-12 16:15:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2022-07-12 16:15:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2022-07-12 16:15:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:17,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4362 trivial. 0 not checked. [2022-07-12 16:15:17,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:15:17,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607155066] [2022-07-12 16:15:17,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607155066] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:15:17,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:15:17,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:15:17,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548586495] [2022-07-12 16:15:17,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:15:17,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:15:17,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:15:17,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:15:17,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:15:17,853 INFO L87 Difference]: Start difference. First operand 53281 states and 71893 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) [2022-07-12 16:15:23,043 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:26,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:28,882 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:31,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:33,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:35,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:36,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:15:36,020 INFO L93 Difference]: Finished difference Result 135952 states and 183995 transitions. [2022-07-12 16:15:36,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:15:36,021 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 [2022-07-12 16:15:36,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:15:36,291 INFO L225 Difference]: With dead ends: 135952 [2022-07-12 16:15:36,291 INFO L226 Difference]: Without dead ends: 83139 [2022-07-12 16:15:36,514 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:15:36,514 INFO L413 NwaCegarLoop]: 3569 mSDtfsCounter, 3113 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 2788 mSolverCounterSat, 1858 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 7485 SdHoareTripleChecker+Invalid, 4651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1858 IncrementalHoareTripleChecker+Valid, 2788 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:15:36,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 7485 Invalid, 4651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1858 Valid, 2788 Invalid, 5 Unknown, 0 Unchecked, 15.6s Time] [2022-07-12 16:15:36,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83139 states. [2022-07-12 16:15:38,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83139 to 78856. [2022-07-12 16:15:39,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78856 states, 54578 states have (on average 1.2576862472058339) internal successors, (68642), 55510 states have internal predecessors, (68642), 18597 states have call successors, (18597), 5620 states have call predecessors, (18597), 5680 states have return successors, (19028), 18505 states have call predecessors, (19028), 18597 states have call successors, (19028) [2022-07-12 16:15:39,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78856 states to 78856 states and 106267 transitions. [2022-07-12 16:15:39,292 INFO L78 Accepts]: Start accepts. Automaton has 78856 states and 106267 transitions. Word has length 553 [2022-07-12 16:15:39,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:15:39,293 INFO L495 AbstractCegarLoop]: Abstraction has 78856 states and 106267 transitions. [2022-07-12 16:15:39,293 INFO L496 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) [2022-07-12 16:15:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 78856 states and 106267 transitions. [2022-07-12 16:15:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 548 [2022-07-12 16:15:39,354 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:15:39,354 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:15:39,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 16:15:39,354 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:15:39,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:15:39,355 INFO L85 PathProgramCache]: Analyzing trace with hash 41801484, now seen corresponding path program 1 times [2022-07-12 16:15:39,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:15:39,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731177613] [2022-07-12 16:15:39,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:15:39,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:15:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:15:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:15:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:15:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:15:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:15:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:15:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:15:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:15:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:15:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:15:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:15:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:15:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:15:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:15:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:15:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:15:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:15:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:15:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:15:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:15:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:15:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:15:39,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:15:39,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:15:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:15:39,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:15:39,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:15:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:15:39,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:15:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:15:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 16:15:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 16:15:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 16:15:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 16:15:39,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 16:15:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 16:15:39,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 16:15:39,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 16:15:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 16:15:39,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-12 16:15:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:15:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:15:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2022-07-12 16:15:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-12 16:15:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:39,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2022-07-12 16:15:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2022-07-12 16:15:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:15:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:15:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-12 16:15:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-12 16:15:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:15:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 524 [2022-07-12 16:15:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-12 16:15:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-12 16:15:40,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:15:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 4345 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4334 trivial. 0 not checked. [2022-07-12 16:15:40,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:15:40,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731177613] [2022-07-12 16:15:40,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731177613] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:15:40,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:15:40,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:15:40,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555397570] [2022-07-12 16:15:40,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:15:40,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:15:40,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:15:40,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:15:40,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:15:40,050 INFO L87 Difference]: Start difference. First operand 78856 states and 106267 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) [2022-07-12 16:15:45,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:50,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:52,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:54,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:56,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:15:58,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:15:58,188 INFO L93 Difference]: Finished difference Result 200198 states and 270627 transitions. [2022-07-12 16:15:58,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:15:58,189 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 [2022-07-12 16:15:58,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:15:58,646 INFO L225 Difference]: With dead ends: 200198 [2022-07-12 16:15:58,646 INFO L226 Difference]: Without dead ends: 121810 [2022-07-12 16:15:58,808 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:15:58,808 INFO L413 NwaCegarLoop]: 3811 mSDtfsCounter, 2690 mSDsluCounter, 3969 mSDsCounter, 0 mSdLazyCounter, 2858 mSolverCounterSat, 1720 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2980 SdHoareTripleChecker+Valid, 7780 SdHoareTripleChecker+Invalid, 4583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1720 IncrementalHoareTripleChecker+Valid, 2858 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:15:58,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2980 Valid, 7780 Invalid, 4583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1720 Valid, 2858 Invalid, 5 Unknown, 0 Unchecked, 13.8s Time] [2022-07-12 16:15:58,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121810 states. [2022-07-12 16:16:02,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121810 to 116074. [2022-07-12 16:16:02,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116074 states, 80312 states have (on average 1.255802370754059) internal successors, (100856), 81700 states have internal predecessors, (100856), 27351 states have call successors, (27351), 8326 states have call predecessors, (27351), 8410 states have return successors, (27998), 27211 states have call predecessors, (27998), 27351 states have call successors, (27998) [2022-07-12 16:16:03,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116074 states to 116074 states and 156205 transitions. [2022-07-12 16:16:03,310 INFO L78 Accepts]: Start accepts. Automaton has 116074 states and 156205 transitions. Word has length 547 [2022-07-12 16:16:03,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:16:03,311 INFO L495 AbstractCegarLoop]: Abstraction has 116074 states and 156205 transitions. [2022-07-12 16:16:03,311 INFO L496 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) [2022-07-12 16:16:03,311 INFO L276 IsEmpty]: Start isEmpty. Operand 116074 states and 156205 transitions. [2022-07-12 16:16:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 553 [2022-07-12 16:16:03,386 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:16:03,386 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:16:03,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 16:16:03,387 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:16:03,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:16:03,387 INFO L85 PathProgramCache]: Analyzing trace with hash 618381919, now seen corresponding path program 1 times [2022-07-12 16:16:03,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:16:03,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076676831] [2022-07-12 16:16:03,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:16:03,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:16:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:16:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:16:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:16:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:16:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:16:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:16:03,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:16:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:16:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:16:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:16:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:16:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:16:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:16:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:16:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:16:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:16:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:16:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:16:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:16:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:16:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:16:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:16:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:16:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:16:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:16:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:16:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:16:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:16:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:16:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:16:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 16:16:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 16:16:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 16:16:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 16:16:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 16:16:03,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 16:16:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 16:16:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 16:16:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:03,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 16:16:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-12 16:16:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:16:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:16:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2022-07-12 16:16:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-12 16:16:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-12 16:16:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-07-12 16:16:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 16:16:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:16:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:16:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-12 16:16:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2022-07-12 16:16:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-12 16:16:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-12 16:16:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-12 16:16:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:04,090 INFO L134 CoverageAnalysis]: Checked inductivity of 4373 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4362 trivial. 0 not checked. [2022-07-12 16:16:04,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:16:04,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076676831] [2022-07-12 16:16:04,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076676831] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:16:04,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:16:04,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:16:04,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323125277] [2022-07-12 16:16:04,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:16:04,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:16:04,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:16:04,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:16:04,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:16:04,093 INFO L87 Difference]: Start difference. First operand 116074 states and 156205 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) [2022-07-12 16:16:10,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:16:12,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:16:17,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:16:19,551 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:16:21,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:16:24,053 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:16:26,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:16:28,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:16:30,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:16:30,208 INFO L93 Difference]: Finished difference Result 295092 states and 398437 transitions. [2022-07-12 16:16:30,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 16:16:30,209 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 [2022-07-12 16:16:30,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:16:30,847 INFO L225 Difference]: With dead ends: 295092 [2022-07-12 16:16:30,848 INFO L226 Difference]: Without dead ends: 179486 [2022-07-12 16:16:31,110 INFO L412 NwaCegarLoop]: 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 [2022-07-12 16:16:31,111 INFO L413 NwaCegarLoop]: 3575 mSDtfsCounter, 3096 mSDsluCounter, 3911 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 1858 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3378 SdHoareTripleChecker+Valid, 7486 SdHoareTripleChecker+Invalid, 4652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1858 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.1s IncrementalHoareTripleChecker+Time [2022-07-12 16:16:31,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3378 Valid, 7486 Invalid, 4652 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1858 Valid, 2787 Invalid, 7 Unknown, 0 Unchecked, 20.1s Time] [2022-07-12 16:16:31,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179486 states. [2022-07-12 16:16:36,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179486 to 170842. [2022-07-12 16:16:37,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170842 states, 118229 states have (on average 1.2547852049835488) internal successors, (148352), 120289 states have internal predecessors, (148352), 40194 states have call successors, (40194), 12304 states have call predecessors, (40194), 12418 states have return successors, (41063), 39982 states have call predecessors, (41063), 40194 states have call successors, (41063) [2022-07-12 16:16:37,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170842 states to 170842 states and 229609 transitions. [2022-07-12 16:16:37,949 INFO L78 Accepts]: Start accepts. Automaton has 170842 states and 229609 transitions. Word has length 552 [2022-07-12 16:16:37,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:16:37,949 INFO L495 AbstractCegarLoop]: Abstraction has 170842 states and 229609 transitions. [2022-07-12 16:16:37,950 INFO L496 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) [2022-07-12 16:16:37,950 INFO L276 IsEmpty]: Start isEmpty. Operand 170842 states and 229609 transitions. [2022-07-12 16:16:38,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2022-07-12 16:16:38,086 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:16:38,086 INFO L195 NwaCegarLoop]: 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] [2022-07-12 16:16:38,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-12 16:16:38,087 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 16:16:38,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:16:38,087 INFO L85 PathProgramCache]: Analyzing trace with hash -526970231, now seen corresponding path program 1 times [2022-07-12 16:16:38,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 16:16:38,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758003956] [2022-07-12 16:16:38,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:16:38,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 16:16:38,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 16:16:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-12 16:16:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-12 16:16:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 16:16:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-12 16:16:38,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-12 16:16:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-12 16:16:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-12 16:16:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-12 16:16:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 16:16:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-12 16:16:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-12 16:16:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 16:16:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 16:16:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 16:16:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-12 16:16:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 16:16:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-12 16:16:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 16:16:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-12 16:16:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-12 16:16:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-12 16:16:38,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 16:16:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 16:16:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-12 16:16:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-12 16:16:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-12 16:16:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-12 16:16:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-12 16:16:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-12 16:16:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-12 16:16:38,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-12 16:16:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-12 16:16:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 16:16:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-12 16:16:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 16:16:38,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-12 16:16:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-12 16:16:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-07-12 16:16:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-12 16:16:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-12 16:16:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2022-07-12 16:16:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 16:16:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 16:16:38,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 16:16:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2022-07-12 16:16:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-12 16:16:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2022-07-12 16:16:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 16:16:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-12 16:16:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-12 16:16:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-12 16:16:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 16:16:38,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-07-12 16:16:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-12 16:16:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-07-12 16:16:38,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:16:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4584 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4558 trivial. 0 not checked. [2022-07-12 16:16:38,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 16:16:38,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758003956] [2022-07-12 16:16:38,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758003956] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:16:38,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:16:38,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 16:16:38,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614945482] [2022-07-12 16:16:38,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:16:38,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 16:16:38,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 16:16:38,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 16:16:38,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 16:16:38,867 INFO L87 Difference]: Start difference. First operand 170842 states and 229609 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) [2022-07-12 16:16:45,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 16:16:47,190 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []