./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-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.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 ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 10:19:35,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 10:19:36,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 10:19:36,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 10:19:36,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 10:19:36,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 10:19:36,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 10:19:36,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 10:19:36,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 10:19:36,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 10:19:36,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 10:19:36,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 10:19:36,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 10:19:36,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 10:19:36,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 10:19:36,035 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 10:19:36,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 10:19:36,038 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 10:19:36,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 10:19:36,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 10:19:36,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 10:19:36,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 10:19:36,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 10:19:36,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 10:19:36,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 10:19:36,050 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 10:19:36,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 10:19:36,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 10:19:36,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 10:19:36,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 10:19:36,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 10:19:36,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 10:19:36,053 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 10:19:36,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 10:19:36,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 10:19:36,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 10:19:36,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 10:19:36,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 10:19:36,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 10:19:36,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 10:19:36,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 10:19:36,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 10:19:36,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 10:19:36,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 10:19:36,073 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 10:19:36,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 10:19:36,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 10:19:36,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 10:19:36,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 10:19:36,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 10:19:36,075 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 10:19:36,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 10:19:36,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 10:19:36,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 10:19:36,075 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 10:19:36,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 10:19:36,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 10:19:36,076 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 10:19:36,076 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 10:19:36,076 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 10:19:36,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 10:19:36,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 10:19:36,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 10:19:36,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:19:36,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 10:19:36,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 10:19:36,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 10:19:36,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 10:19:36,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 10:19:36,078 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 10:19:36,078 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 10:19:36,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 10:19:36,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 10:19:36,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed68d02e3340e974ceb85a32805324d7a9365cc739c1b33e4c9dbafc7a73800a [2021-11-17 10:19:36,246 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 10:19:36,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 10:19:36,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 10:19:36,265 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 10:19:36,266 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 10:19:36,266 INFO L432 ainManager$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-wireless-rndis_wlan.cil.i [2021-11-17 10:19:36,334 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18039824/106e01583e1a4c04a9bc5c7c2ca217fe/FLAGe46a7c295 [2021-11-17 10:19:37,039 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 10:19:37,040 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-17 10:19:37,105 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18039824/106e01583e1a4c04a9bc5c7c2ca217fe/FLAGe46a7c295 [2021-11-17 10:19:37,348 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d18039824/106e01583e1a4c04a9bc5c7c2ca217fe [2021-11-17 10:19:37,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 10:19:37,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 10:19:37,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 10:19:37,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 10:19:37,358 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 10:19:37,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:19:37" (1/1) ... [2021-11-17 10:19:37,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d8b5b28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:37, skipping insertion in model container [2021-11-17 10:19:37,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 10:19:37" (1/1) ... [2021-11-17 10:19:37,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 10:19:37,497 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 10:19:40,509 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-wireless-rndis_wlan.cil.i[491185,491198] [2021-11-17 10:19:40,512 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-wireless-rndis_wlan.cil.i[491330,491343] [2021-11-17 10:19:40,532 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:19:40,561 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 10:19:40,891 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-wireless-rndis_wlan.cil.i[491185,491198] [2021-11-17 10:19:40,892 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-wireless-rndis_wlan.cil.i[491330,491343] [2021-11-17 10:19:40,919 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 10:19:41,088 INFO L208 MainTranslator]: Completed translation [2021-11-17 10:19:41,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41 WrapperNode [2021-11-17 10:19:41,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 10:19:41,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 10:19:41,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 10:19:41,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 10:19:41,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,413 INFO L137 Inliner]: procedures = 473, calls = 4713, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 9001 [2021-11-17 10:19:41,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 10:19:41,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 10:19:41,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 10:19:41,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 10:19:41,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 10:19:41,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 10:19:41,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 10:19:41,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 10:19:41,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (1/1) ... [2021-11-17 10:19:41,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 10:19:41,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 10:19:41,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 10:19:41,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 10:19:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2021-11-17 10:19:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2021-11-17 10:19:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2021-11-17 10:19:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2021-11-17 10:19:41,758 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2021-11-17 10:19:41,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2021-11-17 10:19:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2021-11-17 10:19:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2021-11-17 10:19:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 10:19:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 10:19:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-17 10:19:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-17 10:19:41,759 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2021-11-17 10:19:41,759 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2021-11-17 10:19:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 10:19:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 10:19:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2021-11-17 10:19:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2021-11-17 10:19:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2021-11-17 10:19:41,760 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2021-11-17 10:19:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2021-11-17 10:19:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2021-11-17 10:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2021-11-17 10:19:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2021-11-17 10:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2021-11-17 10:19:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2021-11-17 10:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2021-11-17 10:19:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2021-11-17 10:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2021-11-17 10:19:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2021-11-17 10:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 10:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-17 10:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2021-11-17 10:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2021-11-17 10:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 10:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 10:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 10:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 10:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 10:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2021-11-17 10:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2021-11-17 10:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2021-11-17 10:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2021-11-17 10:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2021-11-17 10:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2021-11-17 10:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-17 10:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-17 10:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 10:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 10:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2021-11-17 10:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2021-11-17 10:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2021-11-17 10:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2021-11-17 10:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2021-11-17 10:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2021-11-17 10:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-17 10:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-17 10:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 10:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2021-11-17 10:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2021-11-17 10:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2021-11-17 10:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2021-11-17 10:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 10:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-17 10:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-17 10:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2021-11-17 10:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2021-11-17 10:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2021-11-17 10:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2021-11-17 10:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 10:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-17 10:19:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-17 10:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2021-11-17 10:19:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2021-11-17 10:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 10:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 10:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-17 10:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-17 10:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 10:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 10:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-17 10:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-17 10:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2021-11-17 10:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2021-11-17 10:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2021-11-17 10:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2021-11-17 10:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 10:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2021-11-17 10:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2021-11-17 10:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2021-11-17 10:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2021-11-17 10:19:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-17 10:19:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-17 10:19:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2021-11-17 10:19:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2021-11-17 10:19:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-17 10:19:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-17 10:19:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 10:19:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2021-11-17 10:19:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2021-11-17 10:19:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-17 10:19:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-17 10:19:41,772 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2021-11-17 10:19:41,772 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2021-11-17 10:19:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 10:19:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-17 10:19:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-17 10:19:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2021-11-17 10:19:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2021-11-17 10:19:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:19:41,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 10:19:41,773 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2021-11-17 10:19:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2021-11-17 10:19:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:19:41,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-17 10:19:41,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-17 10:19:41,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-17 10:19:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2021-11-17 10:19:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2021-11-17 10:19:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 10:19:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 10:19:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2021-11-17 10:19:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2021-11-17 10:19:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-17 10:19:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-17 10:19:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 10:19:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 10:19:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 10:19:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 10:19:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 10:19:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 10:19:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 10:19:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 10:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 10:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 10:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 10:19:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 10:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-17 10:19:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2021-11-17 10:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-17 10:19:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-17 10:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2021-11-17 10:19:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2021-11-17 10:19:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 10:19:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 10:19:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2021-11-17 10:19:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2021-11-17 10:19:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-17 10:19:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-17 10:19:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2021-11-17 10:19:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2021-11-17 10:19:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2021-11-17 10:19:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2021-11-17 10:19:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2021-11-17 10:19:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2021-11-17 10:19:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 10:19:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 10:19:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2021-11-17 10:19:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2021-11-17 10:19:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 10:19:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 10:19:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 10:19:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 10:19:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 10:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 10:19:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 10:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2021-11-17 10:19:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2021-11-17 10:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 10:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2021-11-17 10:19:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2021-11-17 10:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2021-11-17 10:19:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2021-11-17 10:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2021-11-17 10:19:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2021-11-17 10:19:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-11-17 10:19:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-11-17 10:19:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 10:19:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2021-11-17 10:19:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2021-11-17 10:19:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 10:19:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 10:19:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2021-11-17 10:19:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2021-11-17 10:19:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 10:19:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 10:19:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 10:19:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 10:19:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2021-11-17 10:19:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2021-11-17 10:19:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-17 10:19:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-17 10:19:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 10:19:41,789 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 10:19:41,789 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2021-11-17 10:19:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2021-11-17 10:19:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-17 10:19:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-17 10:19:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 10:19:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 10:19:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2021-11-17 10:19:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2021-11-17 10:19:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2021-11-17 10:19:41,790 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2021-11-17 10:19:41,790 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2021-11-17 10:19:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2021-11-17 10:19:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 10:19:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 10:19:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2021-11-17 10:19:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2021-11-17 10:19:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2021-11-17 10:19:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2021-11-17 10:19:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2021-11-17 10:19:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2021-11-17 10:19:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 10:19:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2021-11-17 10:19:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2021-11-17 10:19:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 10:19:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 10:19:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2021-11-17 10:19:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2021-11-17 10:19:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-17 10:19:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-17 10:19:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 10:19:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 10:19:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2021-11-17 10:19:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2021-11-17 10:19:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-17 10:19:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-17 10:19:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 10:19:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 10:19:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2021-11-17 10:19:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2021-11-17 10:19:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2021-11-17 10:19:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2021-11-17 10:19:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2021-11-17 10:19:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2021-11-17 10:19:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2021-11-17 10:19:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2021-11-17 10:19:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2021-11-17 10:19:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2021-11-17 10:19:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-17 10:19:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 10:19:41,795 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2021-11-17 10:19:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2021-11-17 10:19:41,797 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2021-11-17 10:19:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2021-11-17 10:19:41,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-17 10:19:41,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-17 10:19:42,711 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 10:19:42,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 10:19:45,083 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 10:20:01,466 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-17 10:20:01,623 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 10:20:01,643 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 10:20:01,643 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 10:20:01,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:20:01 BoogieIcfgContainer [2021-11-17 10:20:01,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 10:20:01,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 10:20:01,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 10:20:01,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 10:20:01,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 10:19:37" (1/3) ... [2021-11-17 10:20:01,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a23c9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:20:01, skipping insertion in model container [2021-11-17 10:20:01,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 10:19:41" (2/3) ... [2021-11-17 10:20:01,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a23c9dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 10:20:01, skipping insertion in model container [2021-11-17 10:20:01,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 10:20:01" (3/3) ... [2021-11-17 10:20:01,653 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2021-11-17 10:20:01,657 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 10:20:01,657 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 10:20:01,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 10:20:01,709 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 10:20:01,709 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 10:20:01,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 2675 states, 1864 states have (on average 1.309549356223176) internal successors, (2441), 1866 states have internal predecessors, (2441), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) [2021-11-17 10:20:01,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2021-11-17 10:20:01,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:20:01,796 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:20:01,797 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:20:01,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:20:01,801 INFO L85 PathProgramCache]: Analyzing trace with hash -542219759, now seen corresponding path program 1 times [2021-11-17 10:20:01,807 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:20:01,807 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910372066] [2021-11-17 10:20:01,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:20:01,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:20:02,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:20:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:20:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:20:02,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:20:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:20:02,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:20:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:20:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:20:02,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:20:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:20:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:20:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:20:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:20:02,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:20:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:20:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:20:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:20:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:02,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:20:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:20:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:20:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:20:03,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:20:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:20:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:20:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:20:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:20:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:20:03,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:20:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:20:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:20:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:20:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:20:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:20:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:20:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:20:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:20:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:20:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-11-17 10:20:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-11-17 10:20:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 10:20:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 10:20:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 10:20:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:03,405 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 10:20:03,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:20:03,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910372066] [2021-11-17 10:20:03,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910372066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:20:03,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:20:03,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:20:03,408 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120992798] [2021-11-17 10:20:03,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:20:03,411 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:20:03,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:20:03,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:20:03,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:20:03,434 INFO L87 Difference]: Start difference. First operand has 2675 states, 1864 states have (on average 1.309549356223176) internal successors, (2441), 1866 states have internal predecessors, (2441), 695 states have call successors, (695), 116 states have call predecessors, (695), 115 states have return successors, (687), 687 states have call predecessors, (687), 687 states have call successors, (687) Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:05,358 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:07,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:12,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:20:12,663 INFO L93 Difference]: Finished difference Result 7840 states and 11548 transitions. [2021-11-17 10:20:12,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:20:12,666 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 457 [2021-11-17 10:20:12,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:20:12,709 INFO L225 Difference]: With dead ends: 7840 [2021-11-17 10:20:12,710 INFO L226 Difference]: Without dead ends: 5165 [2021-11-17 10:20:12,726 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:20:12,729 INFO L933 BasicCegarLoop]: 4314 mSDtfsCounter, 3914 mSDsluCounter, 5595 mSDsCounter, 0 mSdLazyCounter, 1635 mSolverCounterSat, 1501 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4334 SdHoareTripleChecker+Valid, 9909 SdHoareTripleChecker+Invalid, 3137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1501 IncrementalHoareTripleChecker+Valid, 1635 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-11-17 10:20:12,730 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4334 Valid, 9909 Invalid, 3137 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1501 Valid, 1635 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-11-17 10:20:12,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5165 states. [2021-11-17 10:20:12,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5165 to 5091. [2021-11-17 10:20:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5091 states, 3592 states have (on average 1.30902004454343) internal successors, (4702), 3596 states have internal predecessors, (4702), 1272 states have call successors, (1272), 226 states have call predecessors, (1272), 226 states have return successors, (1272), 1270 states have call predecessors, (1272), 1272 states have call successors, (1272) [2021-11-17 10:20:12,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5091 states to 5091 states and 7246 transitions. [2021-11-17 10:20:12,995 INFO L78 Accepts]: Start accepts. Automaton has 5091 states and 7246 transitions. Word has length 457 [2021-11-17 10:20:12,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:20:12,999 INFO L470 AbstractCegarLoop]: Abstraction has 5091 states and 7246 transitions. [2021-11-17 10:20:12,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:12,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5091 states and 7246 transitions. [2021-11-17 10:20:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-11-17 10:20:13,011 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:20:13,011 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:20:13,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 10:20:13,012 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:20:13,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:20:13,013 INFO L85 PathProgramCache]: Analyzing trace with hash -496627206, now seen corresponding path program 1 times [2021-11-17 10:20:13,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:20:13,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723960755] [2021-11-17 10:20:13,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:20:13,014 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:20:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:20:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:20:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:20:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:20:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:20:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:20:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:20:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:20:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:20:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:20:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:20:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:20:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:20:13,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:20:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:20:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:20:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:20:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:20:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:20:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:20:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:20:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:20:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:20:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:20:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:20:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:20:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:20:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:20:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:20:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:20:13,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:20:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:20:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:20:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:20:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:20:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:20:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:13,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:14,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:20:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:14,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-17 10:20:14,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:14,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 10:20:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 10:20:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:14,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 10:20:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-11-17 10:20:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 10:20:14,044 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:20:14,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723960755] [2021-11-17 10:20:14,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723960755] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:20:14,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:20:14,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:20:14,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875237801] [2021-11-17 10:20:14,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:20:14,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:20:14,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:20:14,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:20:14,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:20:14,049 INFO L87 Difference]: Start difference. First operand 5091 states and 7246 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:16,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:22,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:20:22,270 INFO L93 Difference]: Finished difference Result 15103 states and 21516 transitions. [2021-11-17 10:20:22,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:20:22,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 456 [2021-11-17 10:20:22,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:20:22,325 INFO L225 Difference]: With dead ends: 15103 [2021-11-17 10:20:22,326 INFO L226 Difference]: Without dead ends: 10089 [2021-11-17 10:20:22,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:20:22,347 INFO L933 BasicCegarLoop]: 4316 mSDtfsCounter, 3852 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 1567 mSolverCounterSat, 1387 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4251 SdHoareTripleChecker+Valid, 9914 SdHoareTripleChecker+Invalid, 2955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1387 IncrementalHoareTripleChecker+Valid, 1567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-17 10:20:22,349 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4251 Valid, 9914 Invalid, 2955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1387 Valid, 1567 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2021-11-17 10:20:22,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10089 states. [2021-11-17 10:20:22,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10089 to 9949. [2021-11-17 10:20:22,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9949 states, 7040 states have (on average 1.3096590909090908) internal successors, (9220), 7050 states have internal predecessors, (9220), 2456 states have call successors, (2456), 452 states have call predecessors, (2456), 452 states have return successors, (2456), 2450 states have call predecessors, (2456), 2456 states have call successors, (2456) [2021-11-17 10:20:22,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9949 states to 9949 states and 14132 transitions. [2021-11-17 10:20:22,837 INFO L78 Accepts]: Start accepts. Automaton has 9949 states and 14132 transitions. Word has length 456 [2021-11-17 10:20:22,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:20:22,838 INFO L470 AbstractCegarLoop]: Abstraction has 9949 states and 14132 transitions. [2021-11-17 10:20:22,839 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:22,839 INFO L276 IsEmpty]: Start isEmpty. Operand 9949 states and 14132 transitions. [2021-11-17 10:20:22,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-17 10:20:22,848 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:20:22,849 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:20:22,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 10:20:22,849 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:20:22,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:20:22,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1521131831, now seen corresponding path program 1 times [2021-11-17 10:20:22,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:20:22,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750642493] [2021-11-17 10:20:22,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:20:22,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:20:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:20:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:20:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:20:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:20:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:20:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:20:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:20:23,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:20:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:20:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:20:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:20:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:20:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:20:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:20:23,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:20:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:20:23,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:20:23,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:20:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:20:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:20:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:20:23,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:20:23,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:20:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:20:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:20:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:20:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:20:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:20:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:20:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:20:23,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:20:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:20:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:20:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:20:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:20:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:20:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:20:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 10:20:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 10:20:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2021-11-17 10:20:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-11-17 10:20:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 10:20:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 10:20:23,753 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:20:23,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750642493] [2021-11-17 10:20:23,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750642493] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:20:23,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:20:23,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:20:23,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321431471] [2021-11-17 10:20:23,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:20:23,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:20:23,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:20:23,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:20:23,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:20:23,756 INFO L87 Difference]: Start difference. First operand 9949 states and 14132 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:25,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:27,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:32,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:20:32,539 INFO L93 Difference]: Finished difference Result 29427 states and 41818 transitions. [2021-11-17 10:20:32,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:20:32,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 458 [2021-11-17 10:20:32,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:20:32,641 INFO L225 Difference]: With dead ends: 29427 [2021-11-17 10:20:32,641 INFO L226 Difference]: Without dead ends: 19555 [2021-11-17 10:20:32,690 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:20:32,692 INFO L933 BasicCegarLoop]: 4713 mSDtfsCounter, 3799 mSDsluCounter, 5845 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 1300 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4199 SdHoareTripleChecker+Valid, 10558 SdHoareTripleChecker+Invalid, 2884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1300 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2021-11-17 10:20:32,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4199 Valid, 10558 Invalid, 2884 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1300 Valid, 1582 Invalid, 2 Unknown, 0 Unchecked, 8.3s Time] [2021-11-17 10:20:32,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19555 states. [2021-11-17 10:20:33,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19555 to 19278. [2021-11-17 10:20:33,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19278 states, 13669 states have (on average 1.3097519935620747) internal successors, (17903), 13691 states have internal predecessors, (17903), 4719 states have call successors, (4719), 889 states have call predecessors, (4719), 889 states have return successors, (4719), 4705 states have call predecessors, (4719), 4719 states have call successors, (4719) [2021-11-17 10:20:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19278 states to 19278 states and 27341 transitions. [2021-11-17 10:20:33,385 INFO L78 Accepts]: Start accepts. Automaton has 19278 states and 27341 transitions. Word has length 458 [2021-11-17 10:20:33,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:20:33,386 INFO L470 AbstractCegarLoop]: Abstraction has 19278 states and 27341 transitions. [2021-11-17 10:20:33,386 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:33,387 INFO L276 IsEmpty]: Start isEmpty. Operand 19278 states and 27341 transitions. [2021-11-17 10:20:33,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2021-11-17 10:20:33,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:20:33,396 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 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] [2021-11-17 10:20:33,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 10:20:33,397 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:20:33,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:20:33,397 INFO L85 PathProgramCache]: Analyzing trace with hash 1218800333, now seen corresponding path program 1 times [2021-11-17 10:20:33,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:20:33,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817410694] [2021-11-17 10:20:33,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:20:33,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:20:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:20:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:20:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:20:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:20:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:20:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:20:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:20:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:20:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:20:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:20:33,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:20:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:20:33,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:20:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:20:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:20:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:20:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:20:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:20:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:20:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:20:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:20:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:20:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:20:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:20:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:20:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:20:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:20:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:20:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:20:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:20:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:20:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:20:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:20:34,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:20:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:20:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:20:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:20:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-11-17 10:20:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-11-17 10:20:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 10:20:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2021-11-17 10:20:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:34,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5781 trivial. 0 not checked. [2021-11-17 10:20:34,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:20:34,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817410694] [2021-11-17 10:20:34,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817410694] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:20:34,398 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:20:34,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:20:34,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183709830] [2021-11-17 10:20:34,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:20:34,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:20:34,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:20:34,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:20:34,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:20:34,400 INFO L87 Difference]: Start difference. First operand 19278 states and 27341 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:36,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:38,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:42,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:20:42,419 INFO L93 Difference]: Finished difference Result 49475 states and 69761 transitions. [2021-11-17 10:20:42,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:20:42,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 462 [2021-11-17 10:20:42,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:20:42,549 INFO L225 Difference]: With dead ends: 49475 [2021-11-17 10:20:42,550 INFO L226 Difference]: Without dead ends: 30274 [2021-11-17 10:20:42,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:20:42,618 INFO L933 BasicCegarLoop]: 4232 mSDtfsCounter, 2454 mSDsluCounter, 5576 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 1055 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2693 SdHoareTripleChecker+Valid, 9808 SdHoareTripleChecker+Invalid, 2514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1055 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-11-17 10:20:42,619 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2693 Valid, 9808 Invalid, 2514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1055 Valid, 1457 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2021-11-17 10:20:42,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30274 states. [2021-11-17 10:20:43,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30274 to 29858. [2021-11-17 10:20:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29858 states, 21304 states have (on average 1.3041212917761922) internal successors, (27783), 21356 states have internal predecessors, (27783), 7028 states have call successors, (7028), 1525 states have call predecessors, (7028), 1525 states have return successors, (7028), 6984 states have call predecessors, (7028), 7028 states have call successors, (7028) [2021-11-17 10:20:43,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29858 states to 29858 states and 41839 transitions. [2021-11-17 10:20:43,694 INFO L78 Accepts]: Start accepts. Automaton has 29858 states and 41839 transitions. Word has length 462 [2021-11-17 10:20:43,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:20:43,696 INFO L470 AbstractCegarLoop]: Abstraction has 29858 states and 41839 transitions. [2021-11-17 10:20:43,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (46), 3 states have call predecessors, (46), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:43,696 INFO L276 IsEmpty]: Start isEmpty. Operand 29858 states and 41839 transitions. [2021-11-17 10:20:43,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-11-17 10:20:43,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:20:43,704 INFO L514 BasicCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 10:20:43,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 10:20:43,705 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:20:43,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:20:43,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1240532258, now seen corresponding path program 1 times [2021-11-17 10:20:43,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:20:43,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220874504] [2021-11-17 10:20:43,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:20:43,706 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:20:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:20:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:20:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:20:43,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:20:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:43,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:20:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:20:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:20:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:43,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:20:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:20:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:20:44,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:20:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:20:44,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:20:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:20:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:20:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:20:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:20:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:20:44,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:20:44,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:20:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:20:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:20:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:20:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:20:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:20:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:20:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:20:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:20:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:20:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:20:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:20:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:20:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:20:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:20:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:20:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:20:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:20:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-11-17 10:20:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-11-17 10:20:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-11-17 10:20:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 10:20:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-11-17 10:20:44,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:44,713 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5787 trivial. 0 not checked. [2021-11-17 10:20:44,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:20:44,714 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220874504] [2021-11-17 10:20:44,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1220874504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:20:44,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:20:44,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:20:44,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165788852] [2021-11-17 10:20:44,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:20:44,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:20:44,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:20:44,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:20:44,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:20:44,716 INFO L87 Difference]: Start difference. First operand 29858 states and 41839 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:46,773 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:48,815 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:20:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:20:53,473 INFO L93 Difference]: Finished difference Result 87220 states and 122327 transitions. [2021-11-17 10:20:53,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:20:53,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 473 [2021-11-17 10:20:53,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:20:53,848 INFO L225 Difference]: With dead ends: 87220 [2021-11-17 10:20:53,848 INFO L226 Difference]: Without dead ends: 57439 [2021-11-17 10:20:53,931 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:20:53,932 INFO L933 BasicCegarLoop]: 4435 mSDtfsCounter, 3763 mSDsluCounter, 5678 mSDsCounter, 0 mSdLazyCounter, 1553 mSolverCounterSat, 1335 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4166 SdHoareTripleChecker+Valid, 10113 SdHoareTripleChecker+Invalid, 2890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1335 IncrementalHoareTripleChecker+Valid, 1553 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-17 10:20:53,932 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4166 Valid, 10113 Invalid, 2890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1335 Valid, 1553 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2021-11-17 10:20:54,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57439 states. [2021-11-17 10:20:55,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57439 to 56664. [2021-11-17 10:20:55,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56664 states, 40529 states have (on average 1.3036097609119397) internal successors, (52834), 40665 states have internal predecessors, (52834), 13233 states have call successors, (13233), 2901 states have call predecessors, (13233), 2901 states have return successors, (13233), 13113 states have call predecessors, (13233), 13233 states have call successors, (13233) [2021-11-17 10:20:56,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56664 states to 56664 states and 79300 transitions. [2021-11-17 10:20:56,092 INFO L78 Accepts]: Start accepts. Automaton has 56664 states and 79300 transitions. Word has length 473 [2021-11-17 10:20:56,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:20:56,093 INFO L470 AbstractCegarLoop]: Abstraction has 56664 states and 79300 transitions. [2021-11-17 10:20:56,093 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2021-11-17 10:20:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 56664 states and 79300 transitions. [2021-11-17 10:20:56,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-11-17 10:20:56,109 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:20:56,109 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 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] [2021-11-17 10:20:56,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 10:20:56,110 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:20:56,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:20:56,110 INFO L85 PathProgramCache]: Analyzing trace with hash 516864420, now seen corresponding path program 1 times [2021-11-17 10:20:56,110 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:20:56,110 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737220215] [2021-11-17 10:20:56,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:20:56,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:20:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:20:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:20:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:20:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:20:56,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:20:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:20:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:20:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:20:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:20:56,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:20:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:20:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:20:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:20:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:20:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:20:56,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:20:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:20:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:20:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:20:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:20:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:20:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:20:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:20:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:20:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:20:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:20:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:20:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:20:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:20:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:20:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:20:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:20:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:20:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:20:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:20:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:20:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:20:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:20:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-11-17 10:20:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 10:20:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 10:20:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2021-11-17 10:20:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-11-17 10:20:57,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-11-17 10:20:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-11-17 10:20:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:20:57,118 INFO L134 CoverageAnalysis]: Checked inductivity of 5901 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5898 trivial. 0 not checked. [2021-11-17 10:20:57,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:20:57,118 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737220215] [2021-11-17 10:20:57,118 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737220215] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:20:57,118 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:20:57,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:20:57,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944017845] [2021-11-17 10:20:57,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:20:57,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:20:57,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:20:57,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:20:57,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:20:57,120 INFO L87 Difference]: Start difference. First operand 56664 states and 79300 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-17 10:20:59,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:21:01,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:21:05,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:21:05,639 INFO L93 Difference]: Finished difference Result 115459 states and 161335 transitions. [2021-11-17 10:21:05,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:21:05,642 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 485 [2021-11-17 10:21:05,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:21:05,934 INFO L225 Difference]: With dead ends: 115459 [2021-11-17 10:21:05,934 INFO L226 Difference]: Without dead ends: 58872 [2021-11-17 10:21:06,118 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:21:06,120 INFO L933 BasicCegarLoop]: 3869 mSDtfsCounter, 1649 mSDsluCounter, 5416 mSDsCounter, 0 mSdLazyCounter, 1271 mSolverCounterSat, 899 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1782 SdHoareTripleChecker+Valid, 9285 SdHoareTripleChecker+Invalid, 2172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 899 IncrementalHoareTripleChecker+Valid, 1271 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-17 10:21:06,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1782 Valid, 9285 Invalid, 2172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [899 Valid, 1271 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2021-11-17 10:21:06,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58872 states. [2021-11-17 10:21:07,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58872 to 58119. [2021-11-17 10:21:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58119 states, 41606 states have (on average 1.3009421718021439) internal successors, (54127), 41744 states have internal predecessors, (54127), 13447 states have call successors, (13447), 3065 states have call predecessors, (13447), 3065 states have return successors, (13447), 13325 states have call predecessors, (13447), 13447 states have call successors, (13447) [2021-11-17 10:21:08,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58119 states to 58119 states and 81021 transitions. [2021-11-17 10:21:08,130 INFO L78 Accepts]: Start accepts. Automaton has 58119 states and 81021 transitions. Word has length 485 [2021-11-17 10:21:08,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:21:08,131 INFO L470 AbstractCegarLoop]: Abstraction has 58119 states and 81021 transitions. [2021-11-17 10:21:08,131 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-17 10:21:08,131 INFO L276 IsEmpty]: Start isEmpty. Operand 58119 states and 81021 transitions. [2021-11-17 10:21:08,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2021-11-17 10:21:08,137 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:21:08,138 INFO L514 BasicCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 3, 3, 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] [2021-11-17 10:21:08,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 10:21:08,138 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:21:08,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:21:08,138 INFO L85 PathProgramCache]: Analyzing trace with hash 583413356, now seen corresponding path program 1 times [2021-11-17 10:21:08,139 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:21:08,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033434769] [2021-11-17 10:21:08,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:21:08,139 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:21:08,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:21:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:21:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:21:08,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:21:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:21:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:21:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:21:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:21:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:21:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:21:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:21:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:21:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:21:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:21:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:21:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:21:08,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:21:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:21:08,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:21:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:21:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:21:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:21:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:21:08,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:21:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:21:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:21:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:21:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:21:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:21:08,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:21:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:21:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:21:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:21:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:21:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:21:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:21:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:21:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 10:21:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2021-11-17 10:21:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-11-17 10:21:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2021-11-17 10:21:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 10:21:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 10:21:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2021-11-17 10:21:08,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 5909 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5898 trivial. 0 not checked. [2021-11-17 10:21:08,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:21:08,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033434769] [2021-11-17 10:21:08,962 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033434769] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:21:08,962 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:21:08,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:21:08,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685640436] [2021-11-17 10:21:08,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:21:08,963 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:21:08,963 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:21:08,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:21:08,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:21:08,964 INFO L87 Difference]: Start difference. First operand 58119 states and 81021 transitions. Second operand has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-17 10:21:11,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:21:13,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:21:18,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:21:18,830 INFO L93 Difference]: Finished difference Result 173524 states and 242142 transitions. [2021-11-17 10:21:18,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:21:18,830 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 500 [2021-11-17 10:21:18,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:21:19,535 INFO L225 Difference]: With dead ends: 173524 [2021-11-17 10:21:19,535 INFO L226 Difference]: Without dead ends: 115482 [2021-11-17 10:21:19,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:21:19,724 INFO L933 BasicCegarLoop]: 6947 mSDtfsCounter, 3611 mSDsluCounter, 7237 mSDsCounter, 0 mSdLazyCounter, 1716 mSolverCounterSat, 819 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4022 SdHoareTripleChecker+Valid, 14184 SdHoareTripleChecker+Invalid, 2537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 1716 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-17 10:21:19,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4022 Valid, 14184 Invalid, 2537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 1716 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2021-11-17 10:21:19,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115482 states. [2021-11-17 10:21:22,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115482 to 113966. [2021-11-17 10:21:22,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113966 states, 81520 states have (on average 1.3011285574092248) internal successors, (106068), 81792 states have internal predecessors, (106068), 26443 states have call successors, (26443), 6002 states have call predecessors, (26443), 6002 states have return successors, (26443), 26203 states have call predecessors, (26443), 26443 states have call successors, (26443) [2021-11-17 10:21:23,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113966 states to 113966 states and 158954 transitions. [2021-11-17 10:21:23,426 INFO L78 Accepts]: Start accepts. Automaton has 113966 states and 158954 transitions. Word has length 500 [2021-11-17 10:21:23,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:21:23,427 INFO L470 AbstractCegarLoop]: Abstraction has 113966 states and 158954 transitions. [2021-11-17 10:21:23,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.0) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-17 10:21:23,428 INFO L276 IsEmpty]: Start isEmpty. Operand 113966 states and 158954 transitions. [2021-11-17 10:21:23,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2021-11-17 10:21:23,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:21:23,450 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-17 10:21:23,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 10:21:23,451 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:21:23,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:21:23,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1859226792, now seen corresponding path program 1 times [2021-11-17 10:21:23,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:21:23,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370988184] [2021-11-17 10:21:23,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:21:23,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:21:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:21:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:21:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:21:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:21:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:21:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:23,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:21:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:21:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:21:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:21:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:21:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:21:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:21:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:21:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:21:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:21:24,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:21:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:21:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:21:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:21:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:21:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:21:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:21:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:21:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:21:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:21:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:21:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:21:24,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:21:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:21:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:21:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:21:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:21:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:21:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:21:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:21:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:21:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:21:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 10:21:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 10:21:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 10:21:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 10:21:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 10:21:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 10:21:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 10:21:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-11-17 10:21:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 10:21:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-11-17 10:21:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-11-17 10:21:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 10:21:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2021-11-17 10:21:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:24,540 INFO L134 CoverageAnalysis]: Checked inductivity of 6294 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6273 trivial. 0 not checked. [2021-11-17 10:21:24,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:21:24,540 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370988184] [2021-11-17 10:21:24,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370988184] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:21:24,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:21:24,540 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:21:24,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632089897] [2021-11-17 10:21:24,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:21:24,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:21:24,541 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:21:24,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:21:24,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:21:24,542 INFO L87 Difference]: Start difference. First operand 113966 states and 158954 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-11-17 10:21:26,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:21:28,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:21:37,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 10:21:37,314 INFO L93 Difference]: Finished difference Result 340070 states and 474964 transitions. [2021-11-17 10:21:37,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-17 10:21:37,315 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 549 [2021-11-17 10:21:37,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 10:21:38,380 INFO L225 Difference]: With dead ends: 340070 [2021-11-17 10:21:38,381 INFO L226 Difference]: Without dead ends: 226396 [2021-11-17 10:21:39,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 10:21:39,014 INFO L933 BasicCegarLoop]: 7117 mSDtfsCounter, 3493 mSDsluCounter, 7329 mSDsCounter, 0 mSdLazyCounter, 1744 mSolverCounterSat, 802 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3891 SdHoareTripleChecker+Valid, 14446 SdHoareTripleChecker+Invalid, 2548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 802 IncrementalHoareTripleChecker+Valid, 1744 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-17 10:21:39,014 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3891 Valid, 14446 Invalid, 2548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [802 Valid, 1744 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-17 10:21:39,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226396 states. [2021-11-17 10:21:44,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226396 to 223430. [2021-11-17 10:21:45,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223430 states, 159944 states have (on average 1.3015430400640224) internal successors, (208174), 160280 states have internal predecessors, (208174), 51683 states have call successors, (51683), 11802 states have call predecessors, (51683), 11802 states have return successors, (51683), 51411 states have call predecessors, (51683), 51683 states have call successors, (51683) [2021-11-17 10:21:46,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223430 states to 223430 states and 311540 transitions. [2021-11-17 10:21:46,618 INFO L78 Accepts]: Start accepts. Automaton has 223430 states and 311540 transitions. Word has length 549 [2021-11-17 10:21:46,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 10:21:46,619 INFO L470 AbstractCegarLoop]: Abstraction has 223430 states and 311540 transitions. [2021-11-17 10:21:46,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-11-17 10:21:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 223430 states and 311540 transitions. [2021-11-17 10:21:46,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 549 [2021-11-17 10:21:46,641 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 10:21:46,642 INFO L514 BasicCegarLoop]: trace histogram [41, 41, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2021-11-17 10:21:46,642 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 10:21:46,642 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 10:21:46,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 10:21:46,642 INFO L85 PathProgramCache]: Analyzing trace with hash -411678274, now seen corresponding path program 1 times [2021-11-17 10:21:46,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 10:21:46,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430561513] [2021-11-17 10:21:46,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 10:21:46,643 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 10:21:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 10:21:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 10:21:47,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-11-17 10:21:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-17 10:21:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-17 10:21:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-11-17 10:21:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 10:21:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 10:21:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-17 10:21:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 10:21:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-11-17 10:21:47,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 10:21:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-11-17 10:21:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 10:21:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 10:21:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 10:21:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 10:21:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-11-17 10:21:47,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-17 10:21:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-11-17 10:21:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-17 10:21:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-11-17 10:21:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-17 10:21:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-17 10:21:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2021-11-17 10:21:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 10:21:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 10:21:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-11-17 10:21:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-11-17 10:21:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-11-17 10:21:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 10:21:47,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 10:21:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-11-17 10:21:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 10:21:47,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-11-17 10:21:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-17 10:21:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 10:21:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-11-17 10:21:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 10:21:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-11-17 10:21:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 10:21:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 10:21:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-11-17 10:21:47,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-11-17 10:21:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2021-11-17 10:21:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 492 [2021-11-17 10:21:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-11-17 10:21:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 10:21:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-17 10:21:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2021-11-17 10:21:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 10:21:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 10:21:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 6294 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6273 trivial. 0 not checked. [2021-11-17 10:21:47,896 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 10:21:47,896 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430561513] [2021-11-17 10:21:47,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430561513] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 10:21:47,897 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 10:21:47,897 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-17 10:21:47,897 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301000422] [2021-11-17 10:21:47,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 10:21:47,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-17 10:21:47,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 10:21:47,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-17 10:21:47,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-17 10:21:47,899 INFO L87 Difference]: Start difference. First operand 223430 states and 311540 transitions. Second operand has 4 states, 4 states have (on average 34.0) internal successors, (136), 3 states have internal predecessors, (136), 3 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2021-11-17 10:21:49,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 10:21:52,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []