./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.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 a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:39:39,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:39:39,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:39:39,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:39:39,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:39:39,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:39:39,224 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:39:39,225 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:39:39,227 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:39:39,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:39:39,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:39:39,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:39:39,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:39:39,234 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:39:39,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:39:39,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:39:39,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:39:39,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:39:39,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:39:39,244 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:39:39,246 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:39:39,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:39:39,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:39:39,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:39:39,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:39:39,255 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:39:39,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:39:39,256 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:39:39,257 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:39:39,258 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:39:39,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:39:39,258 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:39:39,259 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:39:39,260 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:39:39,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:39:39,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:39:39,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:39:39,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:39:39,262 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:39:39,263 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:39:39,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:39:39,265 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 09:39:39,283 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:39:39,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:39:39,289 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:39:39,289 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:39:39,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:39:39,290 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:39:39,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:39:39,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:39:39,291 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:39:39,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:39:39,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 09:39:39,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:39:39,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:39:39,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:39:39,292 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:39:39,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:39:39,292 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:39:39,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:39:39,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:39:39,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:39:39,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:39:39,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:39:39,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:39:39,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:39:39,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:39:39,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 09:39:39,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 09:39:39,294 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:39:39,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:39:39,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:39:39,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:39:39,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a82ce6420bb3a33f545de9c61d1c9b088648b3b20e86d3c3faffeeee8d72c08d [2021-12-18 09:39:39,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:39:39,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:39:39,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:39:39,538 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:39:39,538 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:39:39,539 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2021-12-18 09:39:39,574 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0817b79c6/4df0bc05c3544631a758226412b057fc/FLAG6ff0110fc [2021-12-18 09:39:40,230 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:39:40,230 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2021-12-18 09:39:40,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0817b79c6/4df0bc05c3544631a758226412b057fc/FLAG6ff0110fc [2021-12-18 09:39:40,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0817b79c6/4df0bc05c3544631a758226412b057fc [2021-12-18 09:39:40,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:39:40,639 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:39:40,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:39:40,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:39:40,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:39:40,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:39:40" (1/1) ... [2021-12-18 09:39:40,643 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8c3f79c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:40, skipping insertion in model container [2021-12-18 09:39:40,643 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:39:40" (1/1) ... [2021-12-18 09:39:40,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:39:40,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:39:42,491 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2021-12-18 09:39:42,493 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2021-12-18 09:39:42,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:39:42,558 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:39:42,821 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342349,342362] [2021-12-18 09:39:42,822 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-linux-3.14/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i[342494,342507] [2021-12-18 09:39:42,827 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:39:42,951 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:39:42,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42 WrapperNode [2021-12-18 09:39:42,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:39:42,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:39:42,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:39:42,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:39:42,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,165 INFO L137 Inliner]: procedures = 455, calls = 2192, calls flagged for inlining = 223, calls inlined = 189, statements flattened = 5082 [2021-12-18 09:39:43,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:39:43,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:39:43,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:39:43,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:39:43,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,290 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:39:43,356 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:39:43,356 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:39:43,357 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:39:43,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (1/1) ... [2021-12-18 09:39:43,363 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:39:43,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:39:43,383 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 09:39:43,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 09:39:43,411 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-18 09:39:43,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-18 09:39:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:39:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:39:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 09:39:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 09:39:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-18 09:39:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-18 09:39:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:39:43,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:39:43,412 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 09:39:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 09:39:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wakeup [2021-12-18 09:39:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wakeup [2021-12-18 09:39:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_status [2021-12-18 09:39:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_status [2021-12-18 09:39:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_set_rx_mode [2021-12-18 09:39:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_set_rx_mode [2021-12-18 09:39:43,413 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 09:39:43,413 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 09:39:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 09:39:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 09:39:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-18 09:39:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-18 09:39:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-18 09:39:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-18 09:39:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 09:39:43,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 09:39:43,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 09:39:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 09:39:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 09:39:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 09:39:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 09:39:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-18 09:39:43,415 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-18 09:39:43,415 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 09:39:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 09:39:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 09:39:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 09:39:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 09:39:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 09:39:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 09:39:43,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 09:39:43,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:39:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_clean_tx [2021-12-18 09:39:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_clean_tx [2021-12-18 09:39:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_stop_runtime [2021-12-18 09:39:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_stop_runtime [2021-12-18 09:39:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 09:39:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 09:39:43,417 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_resume [2021-12-18 09:39:43,417 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_resume [2021-12-18 09:39:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_rxfree_index [2021-12-18 09:39:43,418 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_rxfree_index [2021-12-18 09:39:43,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 09:39:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_remove_one [2021-12-18 09:39:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_remove_one [2021-12-18 09:39:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 09:39:43,419 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 09:39:43,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 09:39:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 09:39:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 09:39:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 09:39:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 09:39:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 09:39:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 09:39:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 09:39:43,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 09:39:43,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 09:39:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 09:39:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 09:39:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 09:39:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 09:39:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-12-18 09:39:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-12-18 09:39:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 09:39:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 09:39:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 09:39:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 09:39:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_close [2021-12-18 09:39:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_close [2021-12-18 09:39:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_tx_timeout [2021-12-18 09:39:43,422 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_tx_timeout [2021-12-18 09:39:43,422 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_alloc_rx_skb [2021-12-18 09:39:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_alloc_rx_skb [2021-12-18 09:39:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_issue_command [2021-12-18 09:39:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_issue_command [2021-12-18 09:39:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:39:43,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 09:39:43,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 09:39:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-18 09:39:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-18 09:39:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:39:43,424 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_process_response [2021-12-18 09:39:43,424 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_process_response [2021-12-18 09:39:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 09:39:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 09:39:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 09:39:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 09:39:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:39:43,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:39:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:39:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:39:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:39:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 09:39:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 09:39:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-12-18 09:39:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-12-18 09:39:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free_tx [2021-12-18 09:39:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free_tx [2021-12-18 09:39:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2021-12-18 09:39:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2021-12-18 09:39:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_reset [2021-12-18 09:39:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_reset [2021-12-18 09:39:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 09:39:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 09:39:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 09:39:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 09:39:43,458 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_cmd_index [2021-12-18 09:39:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_cmd_index [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 09:39:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_fill_free_ring [2021-12-18 09:39:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_fill_free_ring [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:39:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-18 09:39:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 09:39:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:39:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 09:39:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 09:39:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:39:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:39:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-18 09:39:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 09:39:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_wait_interrupt [2021-12-18 09:39:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_wait_interrupt [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 09:39:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-18 09:39:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_boot_3XP [2021-12-18 09:39:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_boot_3XP [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-18 09:39:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 09:39:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 09:39:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 09:39:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_free_rx_rings [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_free_rx_rings [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_do_get_stats [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_do_get_stats [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_num_free [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_num_free [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_sleep [2021-12-18 09:39:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_sleep [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 09:39:43,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_init_rings [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_init_rings [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_open [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_open [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_start_runtime [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_start_runtime [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure typhoon_inc_index [2021-12-18 09:39:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure typhoon_inc_index [2021-12-18 09:39:43,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 09:39:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 09:39:44,028 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:39:44,030 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:39:44,125 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:39:48,709 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 09:39:48,761 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:39:48,777 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:39:48,777 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 09:39:48,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:39:48 BoogieIcfgContainer [2021-12-18 09:39:48,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:39:48,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:39:48,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:39:48,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:39:48,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:39:40" (1/3) ... [2021-12-18 09:39:48,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ce3c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:39:48, skipping insertion in model container [2021-12-18 09:39:48,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:39:42" (2/3) ... [2021-12-18 09:39:48,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ce3c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:39:48, skipping insertion in model container [2021-12-18 09:39:48,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:39:48" (3/3) ... [2021-12-18 09:39:48,786 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-3com-typhoon.cil.i [2021-12-18 09:39:48,790 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:39:48,790 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 09:39:48,835 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:39:48,839 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 09:39:48,840 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 09:39:48,875 INFO L276 IsEmpty]: Start isEmpty. Operand has 1745 states, 1179 states have (on average 1.2790500424088211) internal successors, (1508), 1201 states have internal predecessors, (1508), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) [2021-12-18 09:39:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2021-12-18 09:39:48,900 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:39:48,901 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:39:48,902 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:39:48,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:39:48,905 INFO L85 PathProgramCache]: Analyzing trace with hash -480123427, now seen corresponding path program 1 times [2021-12-18 09:39:48,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:39:48,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141760154] [2021-12-18 09:39:48,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:39:48,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:39:49,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:39:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:39:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:39:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:39:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:39:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:39:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:39:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:39:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:39:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 09:39:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 09:39:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-18 09:39:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:39:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:39:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:39:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:39:49,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 09:39:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:39:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:49,724 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-18 09:39:49,724 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:39:49,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141760154] [2021-12-18 09:39:49,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141760154] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:39:49,725 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:39:49,725 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:39:49,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516449732] [2021-12-18 09:39:49,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:39:49,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:39:49,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:39:49,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:39:49,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:39:49,758 INFO L87 Difference]: Start difference. First operand has 1745 states, 1179 states have (on average 1.2790500424088211) internal successors, (1508), 1201 states have internal predecessors, (1508), 472 states have call successors, (472), 94 states have call predecessors, (472), 93 states have return successors, (467), 461 states have call predecessors, (467), 467 states have call successors, (467) Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 09:39:56,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:39:57,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:39:57,043 INFO L93 Difference]: Finished difference Result 4787 states and 6875 transitions. [2021-12-18 09:39:57,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:39:57,045 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 197 [2021-12-18 09:39:57,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:39:57,077 INFO L225 Difference]: With dead ends: 4787 [2021-12-18 09:39:57,078 INFO L226 Difference]: Without dead ends: 2997 [2021-12-18 09:39:57,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:39:57,094 INFO L933 BasicCegarLoop]: 2468 mSDtfsCounter, 3109 mSDsluCounter, 3534 mSDsCounter, 0 mSdLazyCounter, 2438 mSolverCounterSat, 2265 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3324 SdHoareTripleChecker+Valid, 6002 SdHoareTripleChecker+Invalid, 4704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2265 IncrementalHoareTripleChecker+Valid, 2438 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:39:57,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3324 Valid, 6002 Invalid, 4704 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2265 Valid, 2438 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2021-12-18 09:39:57,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2997 states. [2021-12-18 09:39:57,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2997 to 2769. [2021-12-18 09:39:57,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2769 states, 1913 states have (on average 1.273392577104025) internal successors, (2436), 1946 states have internal predecessors, (2436), 700 states have call successors, (700), 155 states have call predecessors, (700), 155 states have return successors, (700), 691 states have call predecessors, (700), 700 states have call successors, (700) [2021-12-18 09:39:57,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2769 states to 2769 states and 3836 transitions. [2021-12-18 09:39:57,323 INFO L78 Accepts]: Start accepts. Automaton has 2769 states and 3836 transitions. Word has length 197 [2021-12-18 09:39:57,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:39:57,325 INFO L470 AbstractCegarLoop]: Abstraction has 2769 states and 3836 transitions. [2021-12-18 09:39:57,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-12-18 09:39:57,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2769 states and 3836 transitions. [2021-12-18 09:39:57,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-12-18 09:39:57,335 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:39:57,336 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:39:57,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 09:39:57,336 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:39:57,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:39:57,337 INFO L85 PathProgramCache]: Analyzing trace with hash -1020957030, now seen corresponding path program 1 times [2021-12-18 09:39:57,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:39:57,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490024522] [2021-12-18 09:39:57,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:39:57,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:39:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:39:57,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:39:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:39:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:39:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:39:57,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:39:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:39:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:39:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:39:57,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-12-18 09:39:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-18 09:39:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:39:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:39:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:39:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:39:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:39:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:39:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 09:39:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 09:39:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 09:39:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 09:39:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2021-12-18 09:39:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 09:39:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:39:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:39:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:39:57,723 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2021-12-18 09:39:57,723 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:39:57,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490024522] [2021-12-18 09:39:57,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490024522] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:39:57,724 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:39:57,724 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:39:57,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144485662] [2021-12-18 09:39:57,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:39:57,726 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:39:57,726 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:39:57,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:39:57,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:39:57,727 INFO L87 Difference]: Start difference. First operand 2769 states and 3836 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 09:40:00,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:02,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:05,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:11,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:11,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:40:11,701 INFO L93 Difference]: Finished difference Result 7427 states and 10449 transitions. [2021-12-18 09:40:11,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:40:11,702 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 217 [2021-12-18 09:40:11,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:40:11,727 INFO L225 Difference]: With dead ends: 7427 [2021-12-18 09:40:11,727 INFO L226 Difference]: Without dead ends: 4679 [2021-12-18 09:40:11,737 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:40:11,737 INFO L933 BasicCegarLoop]: 2443 mSDtfsCounter, 4722 mSDsluCounter, 3485 mSDsCounter, 0 mSdLazyCounter, 2578 mSolverCounterSat, 3645 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5135 SdHoareTripleChecker+Valid, 5928 SdHoareTripleChecker+Invalid, 6227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3645 IncrementalHoareTripleChecker+Valid, 2578 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-12-18 09:40:11,738 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5135 Valid, 5928 Invalid, 6227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3645 Valid, 2578 Invalid, 4 Unknown, 0 Unchecked, 13.6s Time] [2021-12-18 09:40:11,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4679 states. [2021-12-18 09:40:11,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4679 to 4316. [2021-12-18 09:40:11,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4316 states, 2960 states have (on average 1.2679054054054053) internal successors, (3753), 3016 states have internal predecessors, (3753), 1103 states have call successors, (1103), 251 states have call predecessors, (1103), 252 states have return successors, (1106), 1085 states have call predecessors, (1106), 1103 states have call successors, (1106) [2021-12-18 09:40:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4316 states to 4316 states and 5962 transitions. [2021-12-18 09:40:11,881 INFO L78 Accepts]: Start accepts. Automaton has 4316 states and 5962 transitions. Word has length 217 [2021-12-18 09:40:11,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:40:11,882 INFO L470 AbstractCegarLoop]: Abstraction has 4316 states and 5962 transitions. [2021-12-18 09:40:11,882 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2021-12-18 09:40:11,882 INFO L276 IsEmpty]: Start isEmpty. Operand 4316 states and 5962 transitions. [2021-12-18 09:40:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-12-18 09:40:11,886 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:40:11,887 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:40:11,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 09:40:11,887 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:40:11,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:40:11,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1306383226, now seen corresponding path program 1 times [2021-12-18 09:40:11,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:40:11,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050487192] [2021-12-18 09:40:11,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:40:11,890 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:40:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:40:12,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:40:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:40:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:40:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:40:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:40:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:40:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:40:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:40:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:40:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:40:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:40:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:40:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:40:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:40:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 09:40:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-18 09:40:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-18 09:40:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 09:40:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:40:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-18 09:40:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2021-12-18 09:40:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2021-12-18 09:40:12,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:40:12,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050487192] [2021-12-18 09:40:12,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050487192] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:40:12,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:40:12,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:40:12,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098198070] [2021-12-18 09:40:12,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:40:12,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:40:12,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:40:12,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:40:12,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:40:12,290 INFO L87 Difference]: Start difference. First operand 4316 states and 5962 transitions. Second operand has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 09:40:16,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:17,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:20,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:23,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:24,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:40:24,633 INFO L93 Difference]: Finished difference Result 10273 states and 14388 transitions. [2021-12-18 09:40:24,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:40:24,634 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 260 [2021-12-18 09:40:24,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:40:24,664 INFO L225 Difference]: With dead ends: 10273 [2021-12-18 09:40:24,664 INFO L226 Difference]: Without dead ends: 5978 [2021-12-18 09:40:24,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:40:24,681 INFO L933 BasicCegarLoop]: 3483 mSDtfsCounter, 2339 mSDsluCounter, 4426 mSDsCounter, 0 mSdLazyCounter, 2631 mSolverCounterSat, 1626 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2548 SdHoareTripleChecker+Valid, 7909 SdHoareTripleChecker+Invalid, 4260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1626 IncrementalHoareTripleChecker+Valid, 2631 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:40:24,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2548 Valid, 7909 Invalid, 4260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1626 Valid, 2631 Invalid, 3 Unknown, 0 Unchecked, 12.1s Time] [2021-12-18 09:40:24,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5978 states. [2021-12-18 09:40:24,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5978 to 5532. [2021-12-18 09:40:24,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5532 states, 3823 states have (on average 1.2657598744441538) internal successors, (4839), 3892 states have internal predecessors, (4839), 1381 states have call successors, (1381), 326 states have call predecessors, (1381), 327 states have return successors, (1384), 1359 states have call predecessors, (1384), 1381 states have call successors, (1384) [2021-12-18 09:40:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5532 states to 5532 states and 7604 transitions. [2021-12-18 09:40:24,914 INFO L78 Accepts]: Start accepts. Automaton has 5532 states and 7604 transitions. Word has length 260 [2021-12-18 09:40:24,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:40:24,916 INFO L470 AbstractCegarLoop]: Abstraction has 5532 states and 7604 transitions. [2021-12-18 09:40:24,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (36), 4 states have call predecessors, (36), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-12-18 09:40:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 5532 states and 7604 transitions. [2021-12-18 09:40:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-12-18 09:40:24,922 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:40:24,922 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:40:24,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 09:40:24,923 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:40:24,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:40:24,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1170714490, now seen corresponding path program 1 times [2021-12-18 09:40:24,924 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:40:24,924 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823641043] [2021-12-18 09:40:24,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:40:24,924 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:40:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:40:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:40:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:40:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:40:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:40:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:40:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:40:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:40:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:40:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:40:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:40:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:40:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:40:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:40:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:40:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:40:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:40:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:40:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:40:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:40:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:40:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 09:40:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 09:40:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 09:40:25,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 09:40:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:40:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 09:40:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 09:40:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2021-12-18 09:40:25,315 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:40:25,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823641043] [2021-12-18 09:40:25,316 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823641043] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:40:25,316 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:40:25,316 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:40:25,316 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220763717] [2021-12-18 09:40:25,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:40:25,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:40:25,317 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:40:25,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:40:25,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:40:25,317 INFO L87 Difference]: Start difference. First operand 5532 states and 7604 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 09:40:29,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:31,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:33,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:40:33,715 INFO L93 Difference]: Finished difference Result 12769 states and 17791 transitions. [2021-12-18 09:40:33,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:40:33,716 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 331 [2021-12-18 09:40:33,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:40:33,786 INFO L225 Difference]: With dead ends: 12769 [2021-12-18 09:40:33,786 INFO L226 Difference]: Without dead ends: 7258 [2021-12-18 09:40:33,800 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:40:33,802 INFO L933 BasicCegarLoop]: 3461 mSDtfsCounter, 2344 mSDsluCounter, 4420 mSDsCounter, 0 mSdLazyCounter, 2605 mSolverCounterSat, 1619 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2555 SdHoareTripleChecker+Valid, 7881 SdHoareTripleChecker+Invalid, 4225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1619 IncrementalHoareTripleChecker+Valid, 2605 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:40:33,803 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2555 Valid, 7881 Invalid, 4225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1619 Valid, 2605 Invalid, 1 Unknown, 0 Unchecked, 8.1s Time] [2021-12-18 09:40:33,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7258 states. [2021-12-18 09:40:33,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7258 to 6729. [2021-12-18 09:40:34,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6729 states, 4674 states have (on average 1.2650834403080873) internal successors, (5913), 4756 states have internal predecessors, (5913), 1653 states have call successors, (1653), 400 states have call predecessors, (1653), 401 states have return successors, (1656), 1627 states have call predecessors, (1656), 1653 states have call successors, (1656) [2021-12-18 09:40:34,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6729 states to 6729 states and 9222 transitions. [2021-12-18 09:40:34,028 INFO L78 Accepts]: Start accepts. Automaton has 6729 states and 9222 transitions. Word has length 331 [2021-12-18 09:40:34,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:40:34,029 INFO L470 AbstractCegarLoop]: Abstraction has 6729 states and 9222 transitions. [2021-12-18 09:40:34,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 09:40:34,030 INFO L276 IsEmpty]: Start isEmpty. Operand 6729 states and 9222 transitions. [2021-12-18 09:40:34,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-12-18 09:40:34,035 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:40:34,036 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:40:34,036 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 09:40:34,036 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:40:34,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:40:34,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1793996092, now seen corresponding path program 1 times [2021-12-18 09:40:34,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:40:34,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8939827] [2021-12-18 09:40:34,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:40:34,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:40:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:40:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:40:34,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:40:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:40:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:40:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:40:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:40:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:40:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:40:34,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:40:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:40:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:40:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:40:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:40:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:40:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:40:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:40:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:40:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:40:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:40:34,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:40:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-18 09:40:34,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-12-18 09:40:34,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-18 09:40:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2021-12-18 09:40:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:34,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:40:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:34,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 09:40:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 09:40:34,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:34,392 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 567 trivial. 0 not checked. [2021-12-18 09:40:34,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:40:34,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8939827] [2021-12-18 09:40:34,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8939827] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:40:34,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:40:34,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:40:34,393 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608922703] [2021-12-18 09:40:34,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:40:34,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:40:34,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:40:34,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:40:34,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:40:34,395 INFO L87 Difference]: Start difference. First operand 6729 states and 9222 transitions. Second operand has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 09:40:38,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:42,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:40:42,753 INFO L93 Difference]: Finished difference Result 16309 states and 22672 transitions. [2021-12-18 09:40:42,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:40:42,754 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 331 [2021-12-18 09:40:42,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:40:42,803 INFO L225 Difference]: With dead ends: 16309 [2021-12-18 09:40:42,803 INFO L226 Difference]: Without dead ends: 9601 [2021-12-18 09:40:42,830 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:40:42,832 INFO L933 BasicCegarLoop]: 3571 mSDtfsCounter, 2918 mSDsluCounter, 4236 mSDsCounter, 0 mSdLazyCounter, 2728 mSolverCounterSat, 1784 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3204 SdHoareTripleChecker+Valid, 7807 SdHoareTripleChecker+Invalid, 4513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1784 IncrementalHoareTripleChecker+Valid, 2728 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:40:42,833 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3204 Valid, 7807 Invalid, 4513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1784 Valid, 2728 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2021-12-18 09:40:42,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9601 states. [2021-12-18 09:40:43,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9601 to 8817. [2021-12-18 09:40:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8817 states, 6112 states have (on average 1.2635798429319371) internal successors, (7723), 6214 states have internal predecessors, (7723), 2163 states have call successors, (2163), 540 states have call predecessors, (2163), 541 states have return successors, (2166), 2130 states have call predecessors, (2166), 2163 states have call successors, (2166) [2021-12-18 09:40:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8817 states to 8817 states and 12052 transitions. [2021-12-18 09:40:43,160 INFO L78 Accepts]: Start accepts. Automaton has 8817 states and 12052 transitions. Word has length 331 [2021-12-18 09:40:43,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:40:43,161 INFO L470 AbstractCegarLoop]: Abstraction has 8817 states and 12052 transitions. [2021-12-18 09:40:43,161 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.8) internal successors, (149), 3 states have internal predecessors, (149), 3 states have call successors, (42), 4 states have call predecessors, (42), 1 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-12-18 09:40:43,161 INFO L276 IsEmpty]: Start isEmpty. Operand 8817 states and 12052 transitions. [2021-12-18 09:40:43,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-12-18 09:40:43,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:40:43,168 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:40:43,169 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 09:40:43,169 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:40:43,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:40:43,170 INFO L85 PathProgramCache]: Analyzing trace with hash -156619015, now seen corresponding path program 1 times [2021-12-18 09:40:43,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:40:43,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661384404] [2021-12-18 09:40:43,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:40:43,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:40:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:40:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:40:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:40:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:40:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:40:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:40:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:40:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:40:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:40:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:40:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:40:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:40:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:40:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:40:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:40:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:40:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:40:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:40:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:40:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:40:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:40:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:40:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:40:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:40:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:40:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:40:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:40:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:40:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:40:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 09:40:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 09:40:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-18 09:40:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:40:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 09:40:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 09:40:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:43,565 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2021-12-18 09:40:43,565 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:40:43,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661384404] [2021-12-18 09:40:43,565 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661384404] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:40:43,565 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:40:43,565 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:40:43,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106852127] [2021-12-18 09:40:43,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:40:43,566 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:40:43,566 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:40:43,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:40:43,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:40:43,567 INFO L87 Difference]: Start difference. First operand 8817 states and 12052 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 09:40:47,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:51,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:40:53,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:40:53,606 INFO L93 Difference]: Finished difference Result 19673 states and 27265 transitions. [2021-12-18 09:40:53,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:40:53,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 414 [2021-12-18 09:40:53,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:40:53,658 INFO L225 Difference]: With dead ends: 19673 [2021-12-18 09:40:53,659 INFO L226 Difference]: Without dead ends: 10877 [2021-12-18 09:40:53,680 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:40:53,681 INFO L933 BasicCegarLoop]: 3176 mSDtfsCounter, 2449 mSDsluCounter, 4095 mSDsCounter, 0 mSdLazyCounter, 2548 mSolverCounterSat, 1706 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2659 SdHoareTripleChecker+Valid, 7271 SdHoareTripleChecker+Invalid, 4256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1706 IncrementalHoareTripleChecker+Valid, 2548 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:40:53,681 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2659 Valid, 7271 Invalid, 4256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1706 Valid, 2548 Invalid, 2 Unknown, 0 Unchecked, 9.7s Time] [2021-12-18 09:40:53,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10877 states. [2021-12-18 09:40:53,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10877 to 10010. [2021-12-18 09:40:53,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10010 states, 6961 states have (on average 1.2634678925441747) internal successors, (8795), 7076 states have internal predecessors, (8795), 2435 states have call successors, (2435), 612 states have call predecessors, (2435), 613 states have return successors, (2438), 2398 states have call predecessors, (2438), 2435 states have call successors, (2438) [2021-12-18 09:40:53,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10010 states to 10010 states and 13668 transitions. [2021-12-18 09:40:53,993 INFO L78 Accepts]: Start accepts. Automaton has 10010 states and 13668 transitions. Word has length 414 [2021-12-18 09:40:53,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:40:53,994 INFO L470 AbstractCegarLoop]: Abstraction has 10010 states and 13668 transitions. [2021-12-18 09:40:53,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 09:40:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 10010 states and 13668 transitions. [2021-12-18 09:40:54,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 415 [2021-12-18 09:40:54,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:40:54,002 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 10, 10, 10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:40:54,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 09:40:54,003 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:40:54,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:40:54,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1195203589, now seen corresponding path program 1 times [2021-12-18 09:40:54,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:40:54,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667753936] [2021-12-18 09:40:54,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:40:54,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:40:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:40:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:40:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:40:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:40:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:40:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:40:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:40:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:40:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:40:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:40:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:40:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:40:54,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:40:54,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:40:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:40:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:40:54,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:40:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:40:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:40:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:40:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:40:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:40:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:40:54,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:40:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:40:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:40:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:40:54,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:40:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-12-18 09:40:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 09:40:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 09:40:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-18 09:40:54,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:40:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:40:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:40:54,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 09:40:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:40:54,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2021-12-18 09:40:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:40:54,422 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 898 trivial. 0 not checked. [2021-12-18 09:40:54,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:40:54,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667753936] [2021-12-18 09:40:54,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667753936] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:40:54,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:40:54,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:40:54,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845722155] [2021-12-18 09:40:54,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:40:54,425 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:40:54,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:40:54,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:40:54,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:40:54,426 INFO L87 Difference]: Start difference. First operand 10010 states and 13668 transitions. Second operand has 5 states, 5 states have (on average 34.8) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 09:40:57,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:02,851 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:05,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:41:05,136 INFO L93 Difference]: Finished difference Result 22166 states and 30678 transitions. [2021-12-18 09:41:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:41:05,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 414 [2021-12-18 09:41:05,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:41:05,188 INFO L225 Difference]: With dead ends: 22166 [2021-12-18 09:41:05,188 INFO L226 Difference]: Without dead ends: 12177 [2021-12-18 09:41:05,217 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:41:05,218 INFO L933 BasicCegarLoop]: 3493 mSDtfsCounter, 2367 mSDsluCounter, 4450 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 1608 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2578 SdHoareTripleChecker+Valid, 7943 SdHoareTripleChecker+Invalid, 4232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1608 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:41:05,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2578 Valid, 7943 Invalid, 4232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1608 Valid, 2622 Invalid, 2 Unknown, 0 Unchecked, 10.3s Time] [2021-12-18 09:41:05,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12177 states. [2021-12-18 09:41:05,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12177 to 11227. [2021-12-18 09:41:05,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11227 states, 7830 states have (on average 1.2632183908045977) internal successors, (9891), 7958 states have internal predecessors, (9891), 2709 states have call successors, (2709), 686 states have call predecessors, (2709), 687 states have return successors, (2712), 2668 states have call predecessors, (2712), 2709 states have call successors, (2712) [2021-12-18 09:41:05,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11227 states to 11227 states and 15312 transitions. [2021-12-18 09:41:05,585 INFO L78 Accepts]: Start accepts. Automaton has 11227 states and 15312 transitions. Word has length 414 [2021-12-18 09:41:05,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:41:05,586 INFO L470 AbstractCegarLoop]: Abstraction has 11227 states and 15312 transitions. [2021-12-18 09:41:05,586 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (48), 4 states have call predecessors, (48), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2021-12-18 09:41:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand 11227 states and 15312 transitions. [2021-12-18 09:41:05,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2021-12-18 09:41:05,595 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:41:05,596 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:41:05,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 09:41:05,596 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:41:05,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:41:05,597 INFO L85 PathProgramCache]: Analyzing trace with hash 555672794, now seen corresponding path program 1 times [2021-12-18 09:41:05,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:41:05,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85634399] [2021-12-18 09:41:05,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:41:05,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:41:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:41:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:41:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:41:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:41:05,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:41:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:41:05,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:41:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:41:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:41:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:41:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:41:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:41:05,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:41:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:41:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:41:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:41:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:41:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:41:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:41:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:41:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:41:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:41:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:41:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:41:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:41:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:41:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:41:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:41:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:41:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:41:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:05,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:41:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:41:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:41:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:41:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:41:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 09:41:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 09:41:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:06,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-18 09:41:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:06,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:41:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:41:06,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:41:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2021-12-18 09:41:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2021-12-18 09:41:06,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2021-12-18 09:41:06,114 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:41:06,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85634399] [2021-12-18 09:41:06,115 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85634399] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:41:06,115 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:41:06,115 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:41:06,115 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529609882] [2021-12-18 09:41:06,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:41:06,116 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:41:06,116 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:41:06,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:41:06,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:41:06,117 INFO L87 Difference]: Start difference. First operand 11227 states and 15312 transitions. Second operand has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:41:10,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:15,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:17,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:41:17,589 INFO L93 Difference]: Finished difference Result 25678 states and 35514 transitions. [2021-12-18 09:41:17,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:41:17,590 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 455 [2021-12-18 09:41:17,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:41:17,652 INFO L225 Difference]: With dead ends: 25678 [2021-12-18 09:41:17,653 INFO L226 Difference]: Without dead ends: 14472 [2021-12-18 09:41:17,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:41:17,687 INFO L933 BasicCegarLoop]: 3410 mSDtfsCounter, 2713 mSDsluCounter, 9725 mSDsCounter, 0 mSdLazyCounter, 4819 mSolverCounterSat, 1829 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2959 SdHoareTripleChecker+Valid, 13135 SdHoareTripleChecker+Invalid, 6649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1829 IncrementalHoareTripleChecker+Valid, 4819 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.8s IncrementalHoareTripleChecker+Time [2021-12-18 09:41:17,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2959 Valid, 13135 Invalid, 6649 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1829 Valid, 4819 Invalid, 1 Unknown, 0 Unchecked, 10.8s Time] [2021-12-18 09:41:17,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14472 states. [2021-12-18 09:41:18,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14472 to 13354. [2021-12-18 09:41:18,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13354 states, 9275 states have (on average 1.2619946091644205) internal successors, (11705), 9426 states have internal predecessors, (11705), 3246 states have call successors, (3246), 830 states have call predecessors, (3246), 832 states have return successors, (3251), 3199 states have call predecessors, (3251), 3246 states have call successors, (3251) [2021-12-18 09:41:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13354 states to 13354 states and 18202 transitions. [2021-12-18 09:41:18,147 INFO L78 Accepts]: Start accepts. Automaton has 13354 states and 18202 transitions. Word has length 455 [2021-12-18 09:41:18,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:41:18,149 INFO L470 AbstractCegarLoop]: Abstraction has 13354 states and 18202 transitions. [2021-12-18 09:41:18,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.857142857142858) internal successors, (181), 4 states have internal predecessors, (181), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:41:18,149 INFO L276 IsEmpty]: Start isEmpty. Operand 13354 states and 18202 transitions. [2021-12-18 09:41:18,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2021-12-18 09:41:18,156 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:41:18,157 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:41:18,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 09:41:18,157 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:41:18,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:41:18,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1736546128, now seen corresponding path program 1 times [2021-12-18 09:41:18,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:41:18,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192659182] [2021-12-18 09:41:18,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:41:18,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:41:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:41:18,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:41:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:41:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:41:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:41:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:41:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:41:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:41:18,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:41:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:41:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:41:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:41:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:41:18,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:41:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:41:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:41:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:41:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:41:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:41:18,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:41:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:41:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:41:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:41:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:41:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:41:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:41:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:41:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:41:18,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:41:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:41:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:41:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:41:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:41:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 09:41:18,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 09:41:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2021-12-18 09:41:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 09:41:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-18 09:41:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:41:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:41:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:41:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2021-12-18 09:41:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2021-12-18 09:41:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:18,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1137 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2021-12-18 09:41:18,704 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:41:18,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192659182] [2021-12-18 09:41:18,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192659182] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:41:18,704 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:41:18,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:41:18,705 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426560881] [2021-12-18 09:41:18,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:41:18,706 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:41:18,706 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:41:18,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:41:18,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:41:18,707 INFO L87 Difference]: Start difference. First operand 13354 states and 18202 transitions. Second operand has 7 states, 7 states have (on average 26.0) internal successors, (182), 4 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:41:22,696 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:24,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:26,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:28,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:31,209 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:34,502 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:37,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:41:37,845 INFO L93 Difference]: Finished difference Result 30027 states and 41531 transitions. [2021-12-18 09:41:37,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:41:37,847 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 4 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 456 [2021-12-18 09:41:37,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:41:37,905 INFO L225 Difference]: With dead ends: 30027 [2021-12-18 09:41:37,906 INFO L226 Difference]: Without dead ends: 16694 [2021-12-18 09:41:37,941 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:41:37,942 INFO L933 BasicCegarLoop]: 3570 mSDtfsCounter, 2512 mSDsluCounter, 10027 mSDsCounter, 0 mSdLazyCounter, 5067 mSolverCounterSat, 1700 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2757 SdHoareTripleChecker+Valid, 13597 SdHoareTripleChecker+Invalid, 6772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1700 IncrementalHoareTripleChecker+Valid, 5067 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2021-12-18 09:41:37,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2757 Valid, 13597 Invalid, 6772 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1700 Valid, 5067 Invalid, 5 Unknown, 0 Unchecked, 18.5s Time] [2021-12-18 09:41:37,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16694 states. [2021-12-18 09:41:38,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16694 to 15402. [2021-12-18 09:41:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15402 states, 10683 states have (on average 1.262192268089488) internal successors, (13484), 10853 states have internal predecessors, (13484), 3752 states have call successors, (3752), 962 states have call predecessors, (3752), 966 states have return successors, (3759), 3702 states have call predecessors, (3759), 3752 states have call successors, (3759) [2021-12-18 09:41:38,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15402 states to 15402 states and 20995 transitions. [2021-12-18 09:41:38,427 INFO L78 Accepts]: Start accepts. Automaton has 15402 states and 20995 transitions. Word has length 456 [2021-12-18 09:41:38,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:41:38,428 INFO L470 AbstractCegarLoop]: Abstraction has 15402 states and 20995 transitions. [2021-12-18 09:41:38,428 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 4 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:41:38,428 INFO L276 IsEmpty]: Start isEmpty. Operand 15402 states and 20995 transitions. [2021-12-18 09:41:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2021-12-18 09:41:38,436 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:41:38,436 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:41:38,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 09:41:38,437 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:41:38,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:41:38,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1870768946, now seen corresponding path program 1 times [2021-12-18 09:41:38,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:41:38,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759234391] [2021-12-18 09:41:38,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:41:38,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:41:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:41:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:41:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:41:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:41:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:41:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:41:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:41:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:41:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:41:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:41:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:41:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:41:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:41:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:41:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:41:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:41:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:41:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:41:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:41:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:41:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:41:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:41:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:41:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:41:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:41:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:41:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:41:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:41:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:41:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:41:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:41:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:41:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:41:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:41:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 09:41:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 09:41:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 09:41:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-12-18 09:41:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:41:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:41:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:41:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 09:41:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:41:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2021-12-18 09:41:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:41:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 1093 trivial. 0 not checked. [2021-12-18 09:41:38,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:41:38,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759234391] [2021-12-18 09:41:38,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759234391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:41:38,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:41:38,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:41:38,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489651869] [2021-12-18 09:41:38,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:41:38,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:41:38,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:41:38,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:41:38,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:41:38,929 INFO L87 Difference]: Start difference. First operand 15402 states and 20995 transitions. Second operand has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:41:42,816 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:44,888 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:47,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:50,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:53,612 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:57,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:41:59,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:01,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:02,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:04,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:04,708 INFO L93 Difference]: Finished difference Result 33347 states and 46091 transitions. [2021-12-18 09:42:04,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:42:04,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) Word has length 454 [2021-12-18 09:42:04,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:04,790 INFO L225 Difference]: With dead ends: 33347 [2021-12-18 09:42:04,790 INFO L226 Difference]: Without dead ends: 17966 [2021-12-18 09:42:04,827 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:42:04,828 INFO L933 BasicCegarLoop]: 3483 mSDtfsCounter, 2333 mSDsluCounter, 9931 mSDsCounter, 0 mSdLazyCounter, 4922 mSolverCounterSat, 1606 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2541 SdHoareTripleChecker+Valid, 13414 SdHoareTripleChecker+Invalid, 6535 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1606 IncrementalHoareTripleChecker+Valid, 4922 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:04,828 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2541 Valid, 13414 Invalid, 6535 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1606 Valid, 4922 Invalid, 7 Unknown, 0 Unchecked, 25.1s Time] [2021-12-18 09:42:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17966 states. [2021-12-18 09:42:05,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17966 to 16591. [2021-12-18 09:42:05,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16591 states, 11528 states have (on average 1.2623178348369188) internal successors, (14552), 11711 states have internal predecessors, (14552), 4024 states have call successors, (4024), 1034 states have call predecessors, (4024), 1038 states have return successors, (4031), 3970 states have call predecessors, (4031), 4024 states have call successors, (4031) [2021-12-18 09:42:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16591 states to 16591 states and 22607 transitions. [2021-12-18 09:42:05,341 INFO L78 Accepts]: Start accepts. Automaton has 16591 states and 22607 transitions. Word has length 454 [2021-12-18 09:42:05,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:05,342 INFO L470 AbstractCegarLoop]: Abstraction has 16591 states and 22607 transitions. [2021-12-18 09:42:05,342 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 25.714285714285715) internal successors, (180), 4 states have internal predecessors, (180), 3 states have call successors, (51), 4 states have call predecessors, (51), 2 states have return successors, (45), 4 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:42:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 16591 states and 22607 transitions. [2021-12-18 09:42:05,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2021-12-18 09:42:05,350 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:05,351 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:42:05,351 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 09:42:05,351 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:05,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1388409240, now seen corresponding path program 1 times [2021-12-18 09:42:05,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:05,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924927481] [2021-12-18 09:42:05,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:05,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:42:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:42:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:42:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:42:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:42:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:42:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:42:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:42:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:42:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:42:05,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:42:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:42:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:42:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:42:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:42:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:42:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:42:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:42:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:42:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:42:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:42:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:42:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:42:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-18 09:42:05,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 09:42:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 09:42:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 09:42:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2021-12-18 09:42:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:42:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 09:42:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:05,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-12-18 09:42:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2021-12-18 09:42:05,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:05,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924927481] [2021-12-18 09:42:05,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924927481] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:05,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:05,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:42:05,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820269909] [2021-12-18 09:42:05,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:05,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:42:05,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:05,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:42:05,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:42:05,740 INFO L87 Difference]: Start difference. First operand 16591 states and 22607 transitions. Second operand has 5 states, 5 states have (on average 36.4) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:42:09,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:15,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:15,447 INFO L93 Difference]: Finished difference Result 36402 states and 50279 transitions. [2021-12-18 09:42:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:42:15,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (51), 4 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 469 [2021-12-18 09:42:15,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:15,519 INFO L225 Difference]: With dead ends: 36402 [2021-12-18 09:42:15,520 INFO L226 Difference]: Without dead ends: 19832 [2021-12-18 09:42:15,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:42:15,563 INFO L933 BasicCegarLoop]: 3647 mSDtfsCounter, 2494 mSDsluCounter, 4533 mSDsCounter, 0 mSdLazyCounter, 2705 mSolverCounterSat, 1692 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2739 SdHoareTripleChecker+Valid, 8180 SdHoareTripleChecker+Invalid, 4398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1692 IncrementalHoareTripleChecker+Valid, 2705 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:15,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2739 Valid, 8180 Invalid, 4398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1692 Valid, 2705 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2021-12-18 09:42:15,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19832 states. [2021-12-18 09:42:16,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19832 to 18337. [2021-12-18 09:42:16,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18337 states, 12728 states have (on average 1.2618636077938403) internal successors, (16061), 12934 states have internal predecessors, (16061), 4450 states have call successors, (4450), 1154 states have call predecessors, (4450), 1158 states have return successors, (4457), 4389 states have call predecessors, (4457), 4450 states have call successors, (4457) [2021-12-18 09:42:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18337 states to 18337 states and 24968 transitions. [2021-12-18 09:42:16,123 INFO L78 Accepts]: Start accepts. Automaton has 18337 states and 24968 transitions. Word has length 469 [2021-12-18 09:42:16,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:16,124 INFO L470 AbstractCegarLoop]: Abstraction has 18337 states and 24968 transitions. [2021-12-18 09:42:16,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:42:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 18337 states and 24968 transitions. [2021-12-18 09:42:16,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2021-12-18 09:42:16,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:16,133 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:42:16,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 09:42:16,133 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:16,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:16,134 INFO L85 PathProgramCache]: Analyzing trace with hash -2116472162, now seen corresponding path program 1 times [2021-12-18 09:42:16,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:16,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48247986] [2021-12-18 09:42:16,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:16,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:16,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:16,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:42:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:42:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:42:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:42:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:42:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:42:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:42:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:42:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:42:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:42:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:42:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:42:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:42:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:42:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:42:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:42:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:42:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:42:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:42:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:42:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:42:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:42:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:42:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:42:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:42:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:42:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:42:16,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:42:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:42:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 09:42:16,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 09:42:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 09:42:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 09:42:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:42:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:42:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 09:42:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:16,555 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-18 09:42:16,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:16,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48247986] [2021-12-18 09:42:16,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48247986] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:16,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:16,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 09:42:16,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289262303] [2021-12-18 09:42:16,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:16,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 09:42:16,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:16,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 09:42:16,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:42:16,557 INFO L87 Difference]: Start difference. First operand 18337 states and 24968 transitions. Second operand has 9 states, 8 states have (on average 20.5) internal successors, (164), 5 states have internal predecessors, (164), 4 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2021-12-18 09:42:20,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:22,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:24,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:27,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:29,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:31,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:34,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:36,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:38,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:38,416 INFO L93 Difference]: Finished difference Result 38816 states and 54167 transitions. [2021-12-18 09:42:38,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 09:42:38,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 20.5) internal successors, (164), 5 states have internal predecessors, (164), 4 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) Word has length 466 [2021-12-18 09:42:38,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:38,501 INFO L225 Difference]: With dead ends: 38816 [2021-12-18 09:42:38,501 INFO L226 Difference]: Without dead ends: 20500 [2021-12-18 09:42:38,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:42:38,551 INFO L933 BasicCegarLoop]: 2188 mSDtfsCounter, 1222 mSDsluCounter, 7136 mSDsCounter, 0 mSdLazyCounter, 3215 mSolverCounterSat, 1199 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 9324 SdHoareTripleChecker+Invalid, 4420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1199 IncrementalHoareTripleChecker+Valid, 3215 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:38,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1358 Valid, 9324 Invalid, 4420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1199 Valid, 3215 Invalid, 6 Unknown, 0 Unchecked, 21.0s Time] [2021-12-18 09:42:38,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20500 states. [2021-12-18 09:42:39,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20500 to 18673. [2021-12-18 09:42:39,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18673 states, 12888 states have (on average 1.2623370577281192) internal successors, (16269), 13094 states have internal predecessors, (16269), 4626 states have call successors, (4626), 1154 states have call predecessors, (4626), 1158 states have return successors, (4633), 4565 states have call predecessors, (4633), 4626 states have call successors, (4633) [2021-12-18 09:42:39,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18673 states to 18673 states and 25528 transitions. [2021-12-18 09:42:39,204 INFO L78 Accepts]: Start accepts. Automaton has 18673 states and 25528 transitions. Word has length 466 [2021-12-18 09:42:39,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:39,205 INFO L470 AbstractCegarLoop]: Abstraction has 18673 states and 25528 transitions. [2021-12-18 09:42:39,205 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 20.5) internal successors, (164), 5 states have internal predecessors, (164), 4 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 5 states have call predecessors, (48), 4 states have call successors, (48) [2021-12-18 09:42:39,205 INFO L276 IsEmpty]: Start isEmpty. Operand 18673 states and 25528 transitions. [2021-12-18 09:42:39,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2021-12-18 09:42:39,214 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:39,214 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:42:39,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 09:42:39,215 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:39,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:39,215 INFO L85 PathProgramCache]: Analyzing trace with hash -239408932, now seen corresponding path program 1 times [2021-12-18 09:42:39,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:39,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295122330] [2021-12-18 09:42:39,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:39,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:42:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:42:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:42:39,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:42:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:42:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:42:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:42:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:42:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:42:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:42:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:42:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:42:39,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:42:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:42:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:42:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:42:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:42:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:42:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:42:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:42:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:42:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:42:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:42:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:42:39,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:42:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:42:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:42:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:42:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:42:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 09:42:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 09:42:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 09:42:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 09:42:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:42:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:42:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 09:42:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:39,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1173 trivial. 0 not checked. [2021-12-18 09:42:39,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:39,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295122330] [2021-12-18 09:42:39,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1295122330] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:39,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:39,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:42:39,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289722236] [2021-12-18 09:42:39,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:39,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:42:39,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:39,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:42:39,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:42:39,626 INFO L87 Difference]: Start difference. First operand 18673 states and 25528 transitions. Second operand has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 09:42:43,163 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:46,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:42:46,855 INFO L93 Difference]: Finished difference Result 39008 states and 54305 transitions. [2021-12-18 09:42:46,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:42:46,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 466 [2021-12-18 09:42:46,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:42:46,960 INFO L225 Difference]: With dead ends: 39008 [2021-12-18 09:42:46,960 INFO L226 Difference]: Without dead ends: 20356 [2021-12-18 09:42:47,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:42:47,036 INFO L933 BasicCegarLoop]: 2189 mSDtfsCounter, 1703 mSDsluCounter, 3526 mSDsCounter, 0 mSdLazyCounter, 1836 mSolverCounterSat, 1754 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1840 SdHoareTripleChecker+Valid, 5715 SdHoareTripleChecker+Invalid, 3591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1754 IncrementalHoareTripleChecker+Valid, 1836 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-18 09:42:47,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1840 Valid, 5715 Invalid, 3591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1754 Valid, 1836 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2021-12-18 09:42:47,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20356 states. [2021-12-18 09:42:47,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20356 to 18657. [2021-12-18 09:42:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18657 states, 12888 states have (on average 1.2623370577281192) internal successors, (16269), 13078 states have internal predecessors, (16269), 4610 states have call successors, (4610), 1154 states have call predecessors, (4610), 1158 states have return successors, (4617), 4549 states have call predecessors, (4617), 4610 states have call successors, (4617) [2021-12-18 09:42:47,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18657 states to 18657 states and 25496 transitions. [2021-12-18 09:42:47,726 INFO L78 Accepts]: Start accepts. Automaton has 18657 states and 25496 transitions. Word has length 466 [2021-12-18 09:42:47,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:42:47,726 INFO L470 AbstractCegarLoop]: Abstraction has 18657 states and 25496 transitions. [2021-12-18 09:42:47,727 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 27.333333333333332) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 09:42:47,727 INFO L276 IsEmpty]: Start isEmpty. Operand 18657 states and 25496 transitions. [2021-12-18 09:42:47,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2021-12-18 09:42:47,735 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:42:47,735 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:42:47,736 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 09:42:47,736 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:42:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:42:47,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1489199687, now seen corresponding path program 1 times [2021-12-18 09:42:47,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:42:47,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037518502] [2021-12-18 09:42:47,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:42:47,737 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:42:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:42:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:42:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:42:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:42:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:47,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:42:48,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:42:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:42:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:42:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:42:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:42:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:42:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:42:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:42:48,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:42:48,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:42:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:42:48,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:42:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:42:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:42:48,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:42:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:42:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:42:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:42:48,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:42:48,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:42:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:42:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:42:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:42:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:42:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:42:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:42:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:42:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:42:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:42:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:42:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:42:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:42:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:42:48,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:42:48,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-18 09:42:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 09:42:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-18 09:42:48,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 09:42:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:42:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:42:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:42:48,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 09:42:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:42:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:42:48,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:42:48,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037518502] [2021-12-18 09:42:48,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037518502] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:42:48,253 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:42:48,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 09:42:48,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219981362] [2021-12-18 09:42:48,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:42:48,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 09:42:48,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:42:48,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 09:42:48,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-18 09:42:48,255 INFO L87 Difference]: Start difference. First operand 18657 states and 25496 transitions. Second operand has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 09:42:51,928 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:54,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:56,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:42:58,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:01,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:02,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:43:02,989 INFO L93 Difference]: Finished difference Result 39040 states and 54204 transitions. [2021-12-18 09:43:02,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 09:43:02,990 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 466 [2021-12-18 09:43:02,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:43:03,093 INFO L225 Difference]: With dead ends: 39040 [2021-12-18 09:43:03,093 INFO L226 Difference]: Without dead ends: 20404 [2021-12-18 09:43:03,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-12-18 09:43:03,155 INFO L933 BasicCegarLoop]: 2157 mSDtfsCounter, 1770 mSDsluCounter, 5250 mSDsCounter, 0 mSdLazyCounter, 2482 mSolverCounterSat, 1808 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1891 SdHoareTripleChecker+Valid, 7407 SdHoareTripleChecker+Invalid, 4294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1808 IncrementalHoareTripleChecker+Valid, 2482 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:43:03,155 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1891 Valid, 7407 Invalid, 4294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1808 Valid, 2482 Invalid, 4 Unknown, 0 Unchecked, 14.0s Time] [2021-12-18 09:43:03,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20404 states. [2021-12-18 09:43:03,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20404 to 18913. [2021-12-18 09:43:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18913 states, 13048 states have (on average 1.2615726548129982) internal successors, (16461), 13238 states have internal predecessors, (16461), 4690 states have call successors, (4690), 1170 states have call predecessors, (4690), 1174 states have return successors, (4711), 4629 states have call predecessors, (4711), 4690 states have call successors, (4711) [2021-12-18 09:43:03,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18913 states to 18913 states and 25862 transitions. [2021-12-18 09:43:03,746 INFO L78 Accepts]: Start accepts. Automaton has 18913 states and 25862 transitions. Word has length 466 [2021-12-18 09:43:03,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:43:03,747 INFO L470 AbstractCegarLoop]: Abstraction has 18913 states and 25862 transitions. [2021-12-18 09:43:03,747 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.142857142857142) internal successors, (162), 4 states have internal predecessors, (162), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 09:43:03,747 INFO L276 IsEmpty]: Start isEmpty. Operand 18913 states and 25862 transitions. [2021-12-18 09:43:03,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-12-18 09:43:03,755 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:43:03,755 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:43:03,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 09:43:03,756 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:43:03,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:43:03,756 INFO L85 PathProgramCache]: Analyzing trace with hash 1267280161, now seen corresponding path program 1 times [2021-12-18 09:43:03,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:43:03,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465994799] [2021-12-18 09:43:03,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:43:03,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:43:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:43:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:43:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:43:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:43:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:43:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:43:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:43:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:43:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:43:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:43:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:43:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:43:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:43:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:43:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:43:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:43:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:43:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:04,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:04,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:43:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:43:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:43:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:43:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:43:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:43:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:43:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:04,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:43:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:43:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:43:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:43:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:43:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:43:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:43:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:43:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:43:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:43:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:43:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:43:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 09:43:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 09:43:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 09:43:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-12-18 09:43:04,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 09:43:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2021-12-18 09:43:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:04,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:43:04,237 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:43:04,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465994799] [2021-12-18 09:43:04,237 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465994799] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:43:04,237 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:43:04,238 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 09:43:04,238 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81266577] [2021-12-18 09:43:04,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:43:04,238 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 09:43:04,239 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:43:04,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 09:43:04,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:43:04,239 INFO L87 Difference]: Start difference. First operand 18913 states and 25862 transitions. Second operand has 9 states, 9 states have (on average 18.11111111111111) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 09:43:08,561 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:12,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:43:12,873 INFO L93 Difference]: Finished difference Result 39968 states and 55689 transitions. [2021-12-18 09:43:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 09:43:12,875 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 18.11111111111111) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) Word has length 467 [2021-12-18 09:43:12,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:43:13,048 INFO L225 Difference]: With dead ends: 39968 [2021-12-18 09:43:13,048 INFO L226 Difference]: Without dead ends: 21076 [2021-12-18 09:43:13,087 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:43:13,088 INFO L933 BasicCegarLoop]: 2220 mSDtfsCounter, 1722 mSDsluCounter, 7135 mSDsCounter, 0 mSdLazyCounter, 3266 mSolverCounterSat, 1809 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1856 SdHoareTripleChecker+Valid, 9355 SdHoareTripleChecker+Invalid, 5076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1809 IncrementalHoareTripleChecker+Valid, 3266 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:43:13,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1856 Valid, 9355 Invalid, 5076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1809 Valid, 3266 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2021-12-18 09:43:13,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21076 states. [2021-12-18 09:43:13,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21076 to 18929. [2021-12-18 09:43:13,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18929 states, 13064 states have (on average 1.2612522963870179) internal successors, (16477), 13254 states have internal predecessors, (16477), 4690 states have call successors, (4690), 1170 states have call predecessors, (4690), 1174 states have return successors, (4711), 4629 states have call predecessors, (4711), 4690 states have call successors, (4711) [2021-12-18 09:43:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18929 states to 18929 states and 25878 transitions. [2021-12-18 09:43:13,627 INFO L78 Accepts]: Start accepts. Automaton has 18929 states and 25878 transitions. Word has length 467 [2021-12-18 09:43:13,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:43:13,627 INFO L470 AbstractCegarLoop]: Abstraction has 18929 states and 25878 transitions. [2021-12-18 09:43:13,627 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.11111111111111) internal successors, (163), 5 states have internal predecessors, (163), 3 states have call successors, (55), 5 states have call predecessors, (55), 2 states have return successors, (48), 4 states have call predecessors, (48), 3 states have call successors, (48) [2021-12-18 09:43:13,627 INFO L276 IsEmpty]: Start isEmpty. Operand 18929 states and 25878 transitions. [2021-12-18 09:43:13,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-12-18 09:43:13,634 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:43:13,635 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:43:13,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 09:43:13,635 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:43:13,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:43:13,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1978926212, now seen corresponding path program 1 times [2021-12-18 09:43:13,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:43:13,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166098313] [2021-12-18 09:43:13,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:43:13,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:43:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:43:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:43:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:43:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:43:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:43:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:43:13,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:43:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:43:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:43:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:43:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:43:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:43:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:43:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:43:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:43:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:43:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:43:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:43:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:43:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:43:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:43:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:43:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:43:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:43:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:43:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:43:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:13,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:43:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:43:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-18 09:43:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 09:43:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 09:43:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2021-12-18 09:43:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 09:43:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 09:43:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:43:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-18 09:43:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-12-18 09:43:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:14,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1209 trivial. 0 not checked. [2021-12-18 09:43:14,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:43:14,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166098313] [2021-12-18 09:43:14,071 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166098313] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:43:14,071 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:43:14,072 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:43:14,072 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653229343] [2021-12-18 09:43:14,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:43:14,072 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:43:14,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:43:14,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:43:14,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:43:14,073 INFO L87 Difference]: Start difference. First operand 18929 states and 25878 transitions. Second operand has 5 states, 5 states have (on average 36.4) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:43:17,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:23,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:43:23,865 INFO L93 Difference]: Finished difference Result 40661 states and 56317 transitions. [2021-12-18 09:43:23,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:43:23,867 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (51), 4 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 476 [2021-12-18 09:43:23,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:43:23,954 INFO L225 Difference]: With dead ends: 40661 [2021-12-18 09:43:23,954 INFO L226 Difference]: Without dead ends: 21753 [2021-12-18 09:43:24,012 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-18 09:43:24,013 INFO L933 BasicCegarLoop]: 3488 mSDtfsCounter, 2345 mSDsluCounter, 4429 mSDsCounter, 0 mSdLazyCounter, 2609 mSolverCounterSat, 1609 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2555 SdHoareTripleChecker+Valid, 7917 SdHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1609 IncrementalHoareTripleChecker+Valid, 2609 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:43:24,013 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2555 Valid, 7917 Invalid, 4219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1609 Valid, 2609 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2021-12-18 09:43:24,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21753 states. [2021-12-18 09:43:24,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21753 to 20175. [2021-12-18 09:43:24,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20175 states, 13946 states have (on average 1.2613652660261008) internal successors, (17591), 14148 states have internal predecessors, (17591), 4979 states have call successors, (4979), 1245 states have call predecessors, (4979), 1249 states have return successors, (5000), 4914 states have call predecessors, (5000), 4979 states have call successors, (5000) [2021-12-18 09:43:24,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20175 states to 20175 states and 27570 transitions. [2021-12-18 09:43:24,792 INFO L78 Accepts]: Start accepts. Automaton has 20175 states and 27570 transitions. Word has length 476 [2021-12-18 09:43:24,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:43:24,792 INFO L470 AbstractCegarLoop]: Abstraction has 20175 states and 27570 transitions. [2021-12-18 09:43:24,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 36.4) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (51), 4 states have call predecessors, (51), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-12-18 09:43:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 20175 states and 27570 transitions. [2021-12-18 09:43:24,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-18 09:43:24,799 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:43:24,800 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:43:24,800 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 09:43:24,800 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:43:24,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:43:24,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1521809214, now seen corresponding path program 1 times [2021-12-18 09:43:24,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:43:24,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402637438] [2021-12-18 09:43:24,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:43:24,801 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:43:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:43:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:43:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:43:25,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:43:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:43:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:43:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:43:25,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:43:25,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:43:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:43:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:43:25,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:43:25,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:43:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:43:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:43:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:43:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:43:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:43:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:43:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:43:25,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:43:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:43:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:43:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:43:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:43:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:43:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:43:25,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:43:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:43:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:43:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:43:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:43:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:43:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:43:25,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:43:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:43:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:43:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:43:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:43:25,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:43:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:43:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:43:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:43:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:43:25,311 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:43:25,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402637438] [2021-12-18 09:43:25,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402637438] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:43:25,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:43:25,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:43:25,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346069273] [2021-12-18 09:43:25,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:43:25,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:43:25,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:43:25,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:43:25,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:43:25,313 INFO L87 Difference]: Start difference. First operand 20175 states and 27570 transitions. Second operand has 8 states, 8 states have (on average 20.875) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:43:28,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:30,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:32,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:34,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:37,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:41,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:43:41,313 INFO L93 Difference]: Finished difference Result 41903 states and 58151 transitions. [2021-12-18 09:43:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:43:41,315 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 473 [2021-12-18 09:43:41,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:43:41,412 INFO L225 Difference]: With dead ends: 41903 [2021-12-18 09:43:41,412 INFO L226 Difference]: Without dead ends: 21749 [2021-12-18 09:43:41,490 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:43:41,491 INFO L933 BasicCegarLoop]: 2158 mSDtfsCounter, 3602 mSDsluCounter, 2728 mSDsCounter, 0 mSdLazyCounter, 2613 mSolverCounterSat, 2211 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3907 SdHoareTripleChecker+Valid, 4886 SdHoareTripleChecker+Invalid, 4829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2211 IncrementalHoareTripleChecker+Valid, 2613 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:43:41,491 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3907 Valid, 4886 Invalid, 4829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2211 Valid, 2613 Invalid, 5 Unknown, 0 Unchecked, 15.3s Time] [2021-12-18 09:43:41,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21749 states. [2021-12-18 09:43:42,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21749 to 20175. [2021-12-18 09:43:42,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20175 states, 13946 states have (on average 1.2602179836512262) internal successors, (17575), 14148 states have internal predecessors, (17575), 4979 states have call successors, (4979), 1245 states have call predecessors, (4979), 1249 states have return successors, (5000), 4914 states have call predecessors, (5000), 4979 states have call successors, (5000) [2021-12-18 09:43:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20175 states to 20175 states and 27554 transitions. [2021-12-18 09:43:42,259 INFO L78 Accepts]: Start accepts. Automaton has 20175 states and 27554 transitions. Word has length 473 [2021-12-18 09:43:42,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:43:42,260 INFO L470 AbstractCegarLoop]: Abstraction has 20175 states and 27554 transitions. [2021-12-18 09:43:42,260 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.875) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:43:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 20175 states and 27554 transitions. [2021-12-18 09:43:42,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-18 09:43:42,267 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:43:42,267 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:43:42,267 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-18 09:43:42,268 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:43:42,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:43:42,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1999901231, now seen corresponding path program 1 times [2021-12-18 09:43:42,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:43:42,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111140877] [2021-12-18 09:43:42,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:43:42,268 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:43:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:43:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:43:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:43:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:43:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:43:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:43:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:43:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:43:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:43:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:43:42,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:43:42,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:43:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:43:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:43:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:43:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:43:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:42,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:43:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:42,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:43:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:43:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:43:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:43:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:43:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:43:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:43:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:43:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:43:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:43:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:43:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:43:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:43:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:43:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:43:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:43:42,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:43:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:43:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:43:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:43:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:43:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:43:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:43:42,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:43:42,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:43:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:43:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:42,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:43:42,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:43:42,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111140877] [2021-12-18 09:43:42,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111140877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:43:42,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:43:42,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:43:42,708 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262316502] [2021-12-18 09:43:42,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:43:42,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:43:42,709 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:43:42,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:43:42,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:43:42,709 INFO L87 Difference]: Start difference. First operand 20175 states and 27554 transitions. Second operand has 8 states, 8 states have (on average 21.0) internal successors, (168), 5 states have internal predecessors, (168), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:43:46,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:43:50,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:43:50,778 INFO L93 Difference]: Finished difference Result 41903 states and 58119 transitions. [2021-12-18 09:43:50,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:43:50,780 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 5 states have internal predecessors, (168), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 474 [2021-12-18 09:43:50,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:43:50,868 INFO L225 Difference]: With dead ends: 41903 [2021-12-18 09:43:50,868 INFO L226 Difference]: Without dead ends: 21749 [2021-12-18 09:43:50,928 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:43:50,928 INFO L933 BasicCegarLoop]: 2162 mSDtfsCounter, 4537 mSDsluCounter, 2776 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 2645 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4842 SdHoareTripleChecker+Valid, 4938 SdHoareTripleChecker+Invalid, 5316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2645 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:43:50,929 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4842 Valid, 4938 Invalid, 5316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2645 Valid, 2670 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2021-12-18 09:43:50,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21749 states. [2021-12-18 09:43:51,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21749 to 20175. [2021-12-18 09:43:51,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20175 states, 13946 states have (on average 1.2590707012763516) internal successors, (17559), 14148 states have internal predecessors, (17559), 4979 states have call successors, (4979), 1245 states have call predecessors, (4979), 1249 states have return successors, (5000), 4914 states have call predecessors, (5000), 4979 states have call successors, (5000) [2021-12-18 09:43:51,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20175 states to 20175 states and 27538 transitions. [2021-12-18 09:43:51,682 INFO L78 Accepts]: Start accepts. Automaton has 20175 states and 27538 transitions. Word has length 474 [2021-12-18 09:43:51,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:43:51,683 INFO L470 AbstractCegarLoop]: Abstraction has 20175 states and 27538 transitions. [2021-12-18 09:43:51,683 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.0) internal successors, (168), 5 states have internal predecessors, (168), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:43:51,683 INFO L276 IsEmpty]: Start isEmpty. Operand 20175 states and 27538 transitions. [2021-12-18 09:43:51,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2021-12-18 09:43:51,691 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:43:51,691 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:43:51,691 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-18 09:43:51,691 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:43:51,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:43:51,692 INFO L85 PathProgramCache]: Analyzing trace with hash -381708066, now seen corresponding path program 1 times [2021-12-18 09:43:51,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:43:51,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965601874] [2021-12-18 09:43:51,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:43:51,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:43:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:43:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:43:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:43:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:43:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:43:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:43:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:43:51,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:43:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:43:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:43:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:43:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:43:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:43:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:43:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:43:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:43:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:43:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:43:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:43:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:43:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:43:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:43:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:51,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:51,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:43:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:43:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:43:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:43:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:43:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:43:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:43:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:43:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:43:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:43:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:43:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:43:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:43:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:43:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:43:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:43:52,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:43:52,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:43:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:43:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:43:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:43:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:43:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:43:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:43:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:43:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:43:52,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:43:52,138 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:43:52,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965601874] [2021-12-18 09:43:52,138 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965601874] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:43:52,138 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:43:52,138 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:43:52,139 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341033602] [2021-12-18 09:43:52,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:43:52,139 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:43:52,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:43:52,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:43:52,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:43:52,140 INFO L87 Difference]: Start difference. First operand 20175 states and 27538 transitions. Second operand has 8 states, 8 states have (on average 21.125) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:43:55,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:00,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:44:00,159 INFO L93 Difference]: Finished difference Result 41903 states and 58087 transitions. [2021-12-18 09:44:00,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:44:00,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 475 [2021-12-18 09:44:00,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:44:00,256 INFO L225 Difference]: With dead ends: 41903 [2021-12-18 09:44:00,256 INFO L226 Difference]: Without dead ends: 21749 [2021-12-18 09:44:00,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:44:00,325 INFO L933 BasicCegarLoop]: 2162 mSDtfsCounter, 3079 mSDsluCounter, 2779 mSDsCounter, 0 mSdLazyCounter, 2669 mSolverCounterSat, 1623 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 4941 SdHoareTripleChecker+Invalid, 4293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1623 IncrementalHoareTripleChecker+Valid, 2669 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:44:00,326 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3384 Valid, 4941 Invalid, 4293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1623 Valid, 2669 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2021-12-18 09:44:00,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21749 states. [2021-12-18 09:44:01,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21749 to 20175. [2021-12-18 09:44:01,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20175 states, 13946 states have (on average 1.2579234189014772) internal successors, (17543), 14148 states have internal predecessors, (17543), 4979 states have call successors, (4979), 1245 states have call predecessors, (4979), 1249 states have return successors, (5000), 4914 states have call predecessors, (5000), 4979 states have call successors, (5000) [2021-12-18 09:44:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20175 states to 20175 states and 27522 transitions. [2021-12-18 09:44:01,185 INFO L78 Accepts]: Start accepts. Automaton has 20175 states and 27522 transitions. Word has length 475 [2021-12-18 09:44:01,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:44:01,186 INFO L470 AbstractCegarLoop]: Abstraction has 20175 states and 27522 transitions. [2021-12-18 09:44:01,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 5 states have internal predecessors, (169), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:01,186 INFO L276 IsEmpty]: Start isEmpty. Operand 20175 states and 27522 transitions. [2021-12-18 09:44:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2021-12-18 09:44:01,194 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:44:01,195 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:44:01,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-18 09:44:01,195 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:44:01,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:44:01,196 INFO L85 PathProgramCache]: Analyzing trace with hash -1082635637, now seen corresponding path program 1 times [2021-12-18 09:44:01,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:44:01,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728265840] [2021-12-18 09:44:01,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:44:01,196 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:44:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:44:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:44:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:44:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:44:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:44:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:44:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:44:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:44:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:44:01,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:44:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:44:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:44:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:44:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:44:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:44:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:44:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:44:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:44:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:44:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:44:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:44:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:44:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:44:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:44:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:44:01,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:44:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:44:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:44:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:44:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:44:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:44:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:44:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:44:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:44:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:44:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:44:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:44:01,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:44:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:44:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:44:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:44:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:01,683 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:44:01,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:44:01,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728265840] [2021-12-18 09:44:01,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728265840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:44:01,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:44:01,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:44:01,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700506647] [2021-12-18 09:44:01,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:44:01,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:44:01,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:44:01,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:44:01,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:44:01,686 INFO L87 Difference]: Start difference. First operand 20175 states and 27522 transitions. Second operand has 8 states, 8 states have (on average 21.25) internal successors, (170), 5 states have internal predecessors, (170), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:05,689 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:08,538 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:10,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:44:10,612 INFO L93 Difference]: Finished difference Result 43877 states and 60578 transitions. [2021-12-18 09:44:10,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 09:44:10,614 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 5 states have internal predecessors, (170), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 476 [2021-12-18 09:44:10,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:44:10,716 INFO L225 Difference]: With dead ends: 43877 [2021-12-18 09:44:10,716 INFO L226 Difference]: Without dead ends: 23723 [2021-12-18 09:44:10,781 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2021-12-18 09:44:10,783 INFO L933 BasicCegarLoop]: 2301 mSDtfsCounter, 5206 mSDsluCounter, 2907 mSDsCounter, 0 mSdLazyCounter, 2754 mSolverCounterSat, 3315 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5498 SdHoareTripleChecker+Valid, 5208 SdHoareTripleChecker+Invalid, 6070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3315 IncrementalHoareTripleChecker+Valid, 2754 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:44:10,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5498 Valid, 5208 Invalid, 6070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3315 Valid, 2754 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2021-12-18 09:44:10,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23723 states. [2021-12-18 09:44:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23723 to 22013. [2021-12-18 09:44:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15211 states have (on average 1.2577739793570442) internal successors, (19132), 15464 states have internal predecessors, (19132), 5319 states have call successors, (5319), 1495 states have call predecessors, (5319), 1482 states have return successors, (5374), 5203 states have call predecessors, (5374), 5319 states have call successors, (5374) [2021-12-18 09:44:11,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 29825 transitions. [2021-12-18 09:44:11,644 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 29825 transitions. Word has length 476 [2021-12-18 09:44:11,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:44:11,645 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 29825 transitions. [2021-12-18 09:44:11,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.25) internal successors, (170), 5 states have internal predecessors, (170), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 29825 transitions. [2021-12-18 09:44:11,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2021-12-18 09:44:11,652 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:44:11,652 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:44:11,652 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-18 09:44:11,652 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:44:11,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:44:11,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1222037254, now seen corresponding path program 1 times [2021-12-18 09:44:11,653 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:44:11,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386510530] [2021-12-18 09:44:11,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:44:11,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:44:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:44:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:44:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:44:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:44:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:44:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:44:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:44:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:44:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:44:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:44:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:44:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:44:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:44:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:44:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:44:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:44:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:44:11,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:44:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:44:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:44:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:44:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:44:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:44:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:44:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:44:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:44:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:44:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:44:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:11,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:44:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:44:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:44:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:44:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:12,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:44:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:44:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:44:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:44:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:44:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:44:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:44:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:44:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:44:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:44:12,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:44:12,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386510530] [2021-12-18 09:44:12,108 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386510530] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:44:12,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:44:12,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:44:12,109 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385538442] [2021-12-18 09:44:12,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:44:12,109 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:44:12,110 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:44:12,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:44:12,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:44:12,110 INFO L87 Difference]: Start difference. First operand 22013 states and 29825 transitions. Second operand has 8 states, 8 states have (on average 21.375) internal successors, (171), 5 states have internal predecessors, (171), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:16,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:20,406 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:22,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:44:22,832 INFO L93 Difference]: Finished difference Result 45698 states and 62848 transitions. [2021-12-18 09:44:22,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:44:22,834 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 5 states have internal predecessors, (171), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 477 [2021-12-18 09:44:22,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:44:22,943 INFO L225 Difference]: With dead ends: 45698 [2021-12-18 09:44:22,943 INFO L226 Difference]: Without dead ends: 23706 [2021-12-18 09:44:23,016 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:44:23,016 INFO L933 BasicCegarLoop]: 2158 mSDtfsCounter, 4018 mSDsluCounter, 3500 mSDsCounter, 0 mSdLazyCounter, 3251 mSolverCounterSat, 2067 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4325 SdHoareTripleChecker+Valid, 5658 SdHoareTripleChecker+Invalid, 5319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2067 IncrementalHoareTripleChecker+Valid, 3251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:44:23,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4325 Valid, 5658 Invalid, 5319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2067 Valid, 3251 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2021-12-18 09:44:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23706 states. [2021-12-18 09:44:23,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23706 to 22013. [2021-12-18 09:44:23,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15211 states have (on average 1.2567221090000658) internal successors, (19116), 15464 states have internal predecessors, (19116), 5319 states have call successors, (5319), 1495 states have call predecessors, (5319), 1482 states have return successors, (5374), 5203 states have call predecessors, (5374), 5319 states have call successors, (5374) [2021-12-18 09:44:24,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 29809 transitions. [2021-12-18 09:44:24,062 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 29809 transitions. Word has length 477 [2021-12-18 09:44:24,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:44:24,062 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 29809 transitions. [2021-12-18 09:44:24,062 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.375) internal successors, (171), 5 states have internal predecessors, (171), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:24,062 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 29809 transitions. [2021-12-18 09:44:24,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2021-12-18 09:44:24,069 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:44:24,069 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:44:24,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-18 09:44:24,069 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:44:24,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:44:24,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1134003481, now seen corresponding path program 1 times [2021-12-18 09:44:24,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:44:24,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699170518] [2021-12-18 09:44:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:44:24,070 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:44:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:44:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:44:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:44:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:44:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:44:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:44:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:44:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:44:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:44:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:44:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:44:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:44:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:44:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:44:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:44:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:44:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:44:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:44:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:44:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:44:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:44:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:44:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:44:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:44:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:44:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:44:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:44:24,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:44:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:44:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:44:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:44:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:44:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:44:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:44:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:44:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:44:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:44:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:44:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:44:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:44:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:44:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:24,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:44:24,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:44:24,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699170518] [2021-12-18 09:44:24,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699170518] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:44:24,490 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:44:24,490 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:44:24,490 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318907405] [2021-12-18 09:44:24,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:44:24,491 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:44:24,491 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:44:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:44:24,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:44:24,492 INFO L87 Difference]: Start difference. First operand 22013 states and 29809 transitions. Second operand has 8 states, 8 states have (on average 21.5) internal successors, (172), 5 states have internal predecessors, (172), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:28,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:31,540 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:33,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:44:33,425 INFO L93 Difference]: Finished difference Result 45698 states and 62816 transitions. [2021-12-18 09:44:33,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:44:33,429 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 5 states have internal predecessors, (172), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 478 [2021-12-18 09:44:33,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:44:33,528 INFO L225 Difference]: With dead ends: 45698 [2021-12-18 09:44:33,528 INFO L226 Difference]: Without dead ends: 23706 [2021-12-18 09:44:33,601 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:44:33,601 INFO L933 BasicCegarLoop]: 2156 mSDtfsCounter, 3070 mSDsluCounter, 2773 mSDsCounter, 0 mSdLazyCounter, 2663 mSolverCounterSat, 1624 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3377 SdHoareTripleChecker+Valid, 4929 SdHoareTripleChecker+Invalid, 4288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1624 IncrementalHoareTripleChecker+Valid, 2663 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:44:33,601 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3377 Valid, 4929 Invalid, 4288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1624 Valid, 2663 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2021-12-18 09:44:33,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23706 states. [2021-12-18 09:44:34,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23706 to 22013. [2021-12-18 09:44:34,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15211 states have (on average 1.2556702386430871) internal successors, (19100), 15464 states have internal predecessors, (19100), 5319 states have call successors, (5319), 1495 states have call predecessors, (5319), 1482 states have return successors, (5374), 5203 states have call predecessors, (5374), 5319 states have call successors, (5374) [2021-12-18 09:44:34,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 29793 transitions. [2021-12-18 09:44:34,537 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 29793 transitions. Word has length 478 [2021-12-18 09:44:34,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:44:34,538 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 29793 transitions. [2021-12-18 09:44:34,538 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.5) internal successors, (172), 5 states have internal predecessors, (172), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 29793 transitions. [2021-12-18 09:44:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2021-12-18 09:44:34,544 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:44:34,544 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:44:34,545 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-18 09:44:34,545 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:44:34,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:44:34,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1709560086, now seen corresponding path program 1 times [2021-12-18 09:44:34,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:44:34,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676317385] [2021-12-18 09:44:34,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:44:34,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:44:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:44:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:44:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:34,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:44:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:44:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:44:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:44:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:44:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:44:34,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:44:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:44:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:44:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:44:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:44:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:44:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:44:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:44:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:44:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:44:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:44:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:44:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:44:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:44:34,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:44:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:44:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:44:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:44:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:44:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:44:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:44:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:44:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:44:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:44:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:44:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:44:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:44:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:44:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:44:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:44:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:44:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:44:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:44:34,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:34,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:44:34,958 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:44:34,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676317385] [2021-12-18 09:44:34,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676317385] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:44:34,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:44:34,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:44:34,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694759553] [2021-12-18 09:44:34,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:44:34,961 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:44:34,961 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:44:34,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:44:34,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:44:34,962 INFO L87 Difference]: Start difference. First operand 22013 states and 29793 transitions. Second operand has 8 states, 8 states have (on average 21.625) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:38,386 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:40,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:42,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:47,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:44:47,620 INFO L93 Difference]: Finished difference Result 45698 states and 62784 transitions. [2021-12-18 09:44:47,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:44:47,622 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 479 [2021-12-18 09:44:47,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:44:47,724 INFO L225 Difference]: With dead ends: 45698 [2021-12-18 09:44:47,724 INFO L226 Difference]: Without dead ends: 23706 [2021-12-18 09:44:47,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:44:47,807 INFO L933 BasicCegarLoop]: 2161 mSDtfsCounter, 5018 mSDsluCounter, 2740 mSDsCounter, 0 mSdLazyCounter, 2610 mSolverCounterSat, 3218 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5325 SdHoareTripleChecker+Valid, 4901 SdHoareTripleChecker+Invalid, 5831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3218 IncrementalHoareTripleChecker+Valid, 2610 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-12-18 09:44:47,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5325 Valid, 4901 Invalid, 5831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3218 Valid, 2610 Invalid, 3 Unknown, 0 Unchecked, 11.5s Time] [2021-12-18 09:44:47,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23706 states. [2021-12-18 09:44:48,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23706 to 22013. [2021-12-18 09:44:48,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15211 states have (on average 1.2546183682861087) internal successors, (19084), 15464 states have internal predecessors, (19084), 5319 states have call successors, (5319), 1495 states have call predecessors, (5319), 1482 states have return successors, (5374), 5203 states have call predecessors, (5374), 5319 states have call successors, (5374) [2021-12-18 09:44:48,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 29777 transitions. [2021-12-18 09:44:48,792 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 29777 transitions. Word has length 479 [2021-12-18 09:44:48,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:44:48,792 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 29777 transitions. [2021-12-18 09:44:48,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.625) internal successors, (173), 5 states have internal predecessors, (173), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:48,792 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 29777 transitions. [2021-12-18 09:44:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-18 09:44:48,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:44:48,799 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:44:48,799 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-12-18 09:44:48,799 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:44:48,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:44:48,799 INFO L85 PathProgramCache]: Analyzing trace with hash -219765949, now seen corresponding path program 1 times [2021-12-18 09:44:48,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:44:48,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800010229] [2021-12-18 09:44:48,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:44:48,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:44:48,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:44:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:48,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:48,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:44:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:48,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:48,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:48,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:48,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:44:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:44:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:44:49,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:44:49,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:44:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:44:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:44:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:44:49,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:44:49,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:44:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:44:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:44:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:44:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:44:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:44:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:44:49,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:44:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:44:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:44:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:44:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:44:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:44:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:44:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:44:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:44:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:44:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:44:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:44:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:44:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:44:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:44:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:44:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:44:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:44:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:44:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:44:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:44:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:44:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:49,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:44:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:49,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:44:49,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:44:49,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800010229] [2021-12-18 09:44:49,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800010229] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:44:49,245 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:44:49,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:44:49,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261389082] [2021-12-18 09:44:49,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:44:49,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:44:49,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:44:49,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:44:49,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:44:49,247 INFO L87 Difference]: Start difference. First operand 22013 states and 29777 transitions. Second operand has 8 states, 8 states have (on average 21.75) internal successors, (174), 5 states have internal predecessors, (174), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:53,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:44:57,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:44:57,735 INFO L93 Difference]: Finished difference Result 45698 states and 62752 transitions. [2021-12-18 09:44:57,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:44:57,737 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 5 states have internal predecessors, (174), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 480 [2021-12-18 09:44:57,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:44:57,839 INFO L225 Difference]: With dead ends: 45698 [2021-12-18 09:44:57,839 INFO L226 Difference]: Without dead ends: 23706 [2021-12-18 09:44:57,916 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:44:57,917 INFO L933 BasicCegarLoop]: 2156 mSDtfsCounter, 3063 mSDsluCounter, 2777 mSDsCounter, 0 mSdLazyCounter, 2662 mSolverCounterSat, 1623 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3370 SdHoareTripleChecker+Valid, 4933 SdHoareTripleChecker+Invalid, 4286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1623 IncrementalHoareTripleChecker+Valid, 2662 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:44:57,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3370 Valid, 4933 Invalid, 4286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1623 Valid, 2662 Invalid, 1 Unknown, 0 Unchecked, 7.4s Time] [2021-12-18 09:44:57,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23706 states. [2021-12-18 09:44:58,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23706 to 22013. [2021-12-18 09:44:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15211 states have (on average 1.2535664979291303) internal successors, (19068), 15464 states have internal predecessors, (19068), 5319 states have call successors, (5319), 1495 states have call predecessors, (5319), 1482 states have return successors, (5374), 5203 states have call predecessors, (5374), 5319 states have call successors, (5374) [2021-12-18 09:44:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 29761 transitions. [2021-12-18 09:44:58,951 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 29761 transitions. Word has length 480 [2021-12-18 09:44:58,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:44:58,951 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 29761 transitions. [2021-12-18 09:44:58,951 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.75) internal successors, (174), 5 states have internal predecessors, (174), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:44:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 29761 transitions. [2021-12-18 09:44:58,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2021-12-18 09:44:58,958 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:44:58,958 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:44:58,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-18 09:44:58,958 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:44:58,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:44:58,959 INFO L85 PathProgramCache]: Analyzing trace with hash 215185714, now seen corresponding path program 1 times [2021-12-18 09:44:58,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:44:58,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61607493] [2021-12-18 09:44:58,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:44:58,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:44:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:44:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:44:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:44:59,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:44:59,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:44:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:44:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:44:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:44:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:44:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:44:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:44:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:44:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:44:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:44:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:44:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:44:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:44:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:44:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:44:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:44:59,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:44:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:44:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:44:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:44:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:44:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:44:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:44:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:44:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:44:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:44:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:44:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:44:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:44:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:44:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:44:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:44:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:44:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:44:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:44:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:44:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:44:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:44:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:44:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:44:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:44:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:44:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:44:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:44:59,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:44:59,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61607493] [2021-12-18 09:44:59,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61607493] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:44:59,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:44:59,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:44:59,394 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902014347] [2021-12-18 09:44:59,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:44:59,394 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:44:59,394 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:44:59,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:44:59,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:44:59,395 INFO L87 Difference]: Start difference. First operand 22013 states and 29761 transitions. Second operand has 8 states, 8 states have (on average 21.875) internal successors, (175), 5 states have internal predecessors, (175), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:45:03,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:07,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:45:07,774 INFO L93 Difference]: Finished difference Result 45698 states and 62720 transitions. [2021-12-18 09:45:07,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:45:07,776 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 5 states have internal predecessors, (175), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 481 [2021-12-18 09:45:07,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:45:07,877 INFO L225 Difference]: With dead ends: 45698 [2021-12-18 09:45:07,877 INFO L226 Difference]: Without dead ends: 23706 [2021-12-18 09:45:07,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:45:07,952 INFO L933 BasicCegarLoop]: 2157 mSDtfsCounter, 3563 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 2608 mSolverCounterSat, 2203 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3870 SdHoareTripleChecker+Valid, 4895 SdHoareTripleChecker+Invalid, 4812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2203 IncrementalHoareTripleChecker+Valid, 2608 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:45:07,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3870 Valid, 4895 Invalid, 4812 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2203 Valid, 2608 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2021-12-18 09:45:07,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23706 states. [2021-12-18 09:45:08,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23706 to 22013. [2021-12-18 09:45:08,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15211 states have (on average 1.2525146275721517) internal successors, (19052), 15464 states have internal predecessors, (19052), 5319 states have call successors, (5319), 1495 states have call predecessors, (5319), 1482 states have return successors, (5374), 5203 states have call predecessors, (5374), 5319 states have call successors, (5374) [2021-12-18 09:45:08,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 29745 transitions. [2021-12-18 09:45:08,932 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 29745 transitions. Word has length 481 [2021-12-18 09:45:08,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:45:08,932 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 29745 transitions. [2021-12-18 09:45:08,933 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.875) internal successors, (175), 5 states have internal predecessors, (175), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:45:08,933 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 29745 transitions. [2021-12-18 09:45:08,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-12-18 09:45:08,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:45:08,939 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:45:08,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-18 09:45:08,939 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:45:08,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:45:08,939 INFO L85 PathProgramCache]: Analyzing trace with hash 928301983, now seen corresponding path program 1 times [2021-12-18 09:45:08,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:45:08,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397037307] [2021-12-18 09:45:08,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:45:08,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:45:08,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:45:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:45:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:45:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:45:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:45:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:45:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:45:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:45:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:45:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:45:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:45:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:45:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:45:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:45:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:45:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:45:09,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:45:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:45:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:45:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:45:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:45:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:45:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:45:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:45:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:45:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:45:09,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:45:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:45:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:45:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:45:09,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:45:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:45:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:45:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:45:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:45:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:45:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:45:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:09,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:45:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:45:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:45:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:45:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:45:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:45:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:09,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:45:09,338 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:45:09,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397037307] [2021-12-18 09:45:09,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397037307] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:45:09,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:45:09,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:45:09,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74249915] [2021-12-18 09:45:09,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:45:09,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:45:09,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:45:09,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:45:09,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:45:09,340 INFO L87 Difference]: Start difference. First operand 22013 states and 29745 transitions. Second operand has 8 states, 8 states have (on average 22.0) internal successors, (176), 5 states have internal predecessors, (176), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:45:12,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:15,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:18,112 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:20,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:45:20,323 INFO L93 Difference]: Finished difference Result 45664 states and 62620 transitions. [2021-12-18 09:45:20,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:45:20,325 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 5 states have internal predecessors, (176), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 482 [2021-12-18 09:45:20,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:45:20,427 INFO L225 Difference]: With dead ends: 45664 [2021-12-18 09:45:20,428 INFO L226 Difference]: Without dead ends: 23672 [2021-12-18 09:45:20,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:45:20,514 INFO L933 BasicCegarLoop]: 2154 mSDtfsCounter, 3557 mSDsluCounter, 2736 mSDsCounter, 0 mSdLazyCounter, 2599 mSolverCounterSat, 2200 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3864 SdHoareTripleChecker+Valid, 4890 SdHoareTripleChecker+Invalid, 4801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2200 IncrementalHoareTripleChecker+Valid, 2599 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2021-12-18 09:45:20,514 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3864 Valid, 4890 Invalid, 4801 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2200 Valid, 2599 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2021-12-18 09:45:20,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23672 states. [2021-12-18 09:45:21,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23672 to 22013. [2021-12-18 09:45:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15211 states have (on average 1.2514627572151733) internal successors, (19036), 15464 states have internal predecessors, (19036), 5319 states have call successors, (5319), 1495 states have call predecessors, (5319), 1482 states have return successors, (5374), 5203 states have call predecessors, (5374), 5319 states have call successors, (5374) [2021-12-18 09:45:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 29729 transitions. [2021-12-18 09:45:21,534 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 29729 transitions. Word has length 482 [2021-12-18 09:45:21,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:45:21,535 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 29729 transitions. [2021-12-18 09:45:21,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.0) internal successors, (176), 5 states have internal predecessors, (176), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:45:21,535 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 29729 transitions. [2021-12-18 09:45:21,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-12-18 09:45:21,542 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:45:21,542 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:45:21,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-18 09:45:21,542 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:45:21,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:45:21,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1674586446, now seen corresponding path program 1 times [2021-12-18 09:45:21,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:45:21,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209964040] [2021-12-18 09:45:21,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:45:21,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:45:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:45:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:45:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:21,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:45:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:45:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:45:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:45:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:45:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:45:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:45:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:45:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:45:21,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:45:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:45:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:45:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:45:21,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:45:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:45:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:45:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:45:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:45:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:45:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:45:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:45:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:45:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:45:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:45:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:45:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:45:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:45:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:45:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:45:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:45:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:45:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:21,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:45:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:45:21,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:45:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:45:21,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:45:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:45:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:45:21,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:45:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:45:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:45:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:21,928 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:45:21,928 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:45:21,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209964040] [2021-12-18 09:45:21,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209964040] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:45:21,928 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:45:21,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:45:21,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080561728] [2021-12-18 09:45:21,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:45:21,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:45:21,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:45:21,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:45:21,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:45:21,929 INFO L87 Difference]: Start difference. First operand 22013 states and 29729 transitions. Second operand has 8 states, 8 states have (on average 22.125) internal successors, (177), 5 states have internal predecessors, (177), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:45:25,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:27,662 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:29,735 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:32,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:34,151 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:38,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:40,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:45:40,847 INFO L93 Difference]: Finished difference Result 45698 states and 62656 transitions. [2021-12-18 09:45:40,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:45:40,849 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 5 states have internal predecessors, (177), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 483 [2021-12-18 09:45:40,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:45:40,938 INFO L225 Difference]: With dead ends: 45698 [2021-12-18 09:45:40,938 INFO L226 Difference]: Without dead ends: 23706 [2021-12-18 09:45:41,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:45:41,004 INFO L933 BasicCegarLoop]: 2149 mSDtfsCounter, 4000 mSDsluCounter, 3500 mSDsCounter, 0 mSdLazyCounter, 3239 mSolverCounterSat, 2075 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4307 SdHoareTripleChecker+Valid, 5649 SdHoareTripleChecker+Invalid, 5319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2075 IncrementalHoareTripleChecker+Valid, 3239 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:45:41,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4307 Valid, 5649 Invalid, 5319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2075 Valid, 3239 Invalid, 5 Unknown, 0 Unchecked, 17.7s Time] [2021-12-18 09:45:41,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23706 states. [2021-12-18 09:45:41,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23706 to 22013. [2021-12-18 09:45:41,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15211 states have (on average 1.2504108868581947) internal successors, (19020), 15464 states have internal predecessors, (19020), 5319 states have call successors, (5319), 1495 states have call predecessors, (5319), 1482 states have return successors, (5374), 5203 states have call predecessors, (5374), 5319 states have call successors, (5374) [2021-12-18 09:45:41,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 29713 transitions. [2021-12-18 09:45:41,923 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 29713 transitions. Word has length 483 [2021-12-18 09:45:41,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:45:41,923 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 29713 transitions. [2021-12-18 09:45:41,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.125) internal successors, (177), 5 states have internal predecessors, (177), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:45:41,923 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 29713 transitions. [2021-12-18 09:45:41,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-12-18 09:45:41,930 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:45:41,930 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:45:41,930 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-18 09:45:41,930 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:45:41,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:45:41,930 INFO L85 PathProgramCache]: Analyzing trace with hash -845882373, now seen corresponding path program 1 times [2021-12-18 09:45:41,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:45:41,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23407304] [2021-12-18 09:45:41,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:45:41,931 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:45:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:45:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:45:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:45:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:45:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:45:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:45:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:45:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:45:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:45:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:45:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:45:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:45:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:45:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:45:42,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:45:42,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:45:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:45:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:45:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:45:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:45:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:45:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:45:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:45:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:45:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:45:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:45:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:45:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:45:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:45:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:45:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:45:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:45:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:45:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:42,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:45:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:42,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:45:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:45:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:45:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:45:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:45:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:45:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:45:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:45:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:45:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:42,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:45:42,399 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:45:42,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23407304] [2021-12-18 09:45:42,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23407304] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:45:42,399 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:45:42,399 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:45:42,399 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460709312] [2021-12-18 09:45:42,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:45:42,400 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:45:42,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:45:42,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:45:42,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:45:42,400 INFO L87 Difference]: Start difference. First operand 22013 states and 29713 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 5 states have internal predecessors, (178), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:45:46,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:45:50,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:45:50,466 INFO L93 Difference]: Finished difference Result 45698 states and 62624 transitions. [2021-12-18 09:45:50,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-18 09:45:50,468 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 5 states have internal predecessors, (178), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) Word has length 484 [2021-12-18 09:45:50,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:45:50,579 INFO L225 Difference]: With dead ends: 45698 [2021-12-18 09:45:50,579 INFO L226 Difference]: Without dead ends: 23706 [2021-12-18 09:45:50,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:45:50,660 INFO L933 BasicCegarLoop]: 2155 mSDtfsCounter, 3551 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 2606 mSolverCounterSat, 2199 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3858 SdHoareTripleChecker+Valid, 4893 SdHoareTripleChecker+Invalid, 4806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2199 IncrementalHoareTripleChecker+Valid, 2606 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-12-18 09:45:50,660 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3858 Valid, 4893 Invalid, 4806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2199 Valid, 2606 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2021-12-18 09:45:50,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23706 states. [2021-12-18 09:45:51,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23706 to 22013. [2021-12-18 09:45:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22013 states, 15211 states have (on average 1.2493590165012163) internal successors, (19004), 15464 states have internal predecessors, (19004), 5319 states have call successors, (5319), 1495 states have call predecessors, (5319), 1482 states have return successors, (5374), 5203 states have call predecessors, (5374), 5319 states have call successors, (5374) [2021-12-18 09:45:51,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22013 states to 22013 states and 29697 transitions. [2021-12-18 09:45:51,701 INFO L78 Accepts]: Start accepts. Automaton has 22013 states and 29697 transitions. Word has length 484 [2021-12-18 09:45:51,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:45:51,701 INFO L470 AbstractCegarLoop]: Abstraction has 22013 states and 29697 transitions. [2021-12-18 09:45:51,701 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 5 states have internal predecessors, (178), 3 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (49), 4 states have call predecessors, (49), 3 states have call successors, (49) [2021-12-18 09:45:51,702 INFO L276 IsEmpty]: Start isEmpty. Operand 22013 states and 29697 transitions. [2021-12-18 09:45:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2021-12-18 09:45:51,708 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:45:51,708 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 11, 11, 11, 9, 9, 9, 9, 9, 9, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:45:51,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-18 09:45:51,708 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:45:51,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:45:51,709 INFO L85 PathProgramCache]: Analyzing trace with hash -817253222, now seen corresponding path program 1 times [2021-12-18 09:45:51,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:45:51,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670774878] [2021-12-18 09:45:51,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:45:51,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:45:51,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:45:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:45:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-18 09:45:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-18 09:45:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:45:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 09:45:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:45:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:45:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-18 09:45:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-18 09:45:51,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-18 09:45:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-12-18 09:45:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 09:45:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-18 09:45:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 09:45:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:45:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-12-18 09:45:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:45:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-18 09:45:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 09:45:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:45:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:45:51,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:45:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-18 09:45:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-18 09:45:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:45:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2021-12-18 09:45:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-12-18 09:45:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-18 09:45:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:45:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-18 09:45:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 09:45:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 09:45:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:45:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:45:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:45:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:45:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 09:45:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-12-18 09:45:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:45:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2021-12-18 09:45:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 09:45:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:51,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-12-18 09:45:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:52,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:45:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:45:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:52,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:45:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:52,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-12-18 09:45:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:45:52,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1176 trivial. 0 not checked. [2021-12-18 09:45:52,040 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:45:52,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670774878] [2021-12-18 09:45:52,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670774878] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:45:52,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:45:52,041 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:45:52,041 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999843004] [2021-12-18 09:45:52,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:45:52,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:45:52,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:45:52,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:45:52,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:45:52,043 INFO L87 Difference]: Start difference. First operand 22013 states and 29697 transitions. Second operand has 8 states, 8 states have (on average 22.25) internal successors, (178), 4 states have internal predecessors, (178), 1 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (49), 2 states have call predecessors, (49), 1 states have call successors, (49) [2021-12-18 09:45:55,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 09:45:57,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-18 09:46:00,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:46:03,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 09:46:05,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:46:05,350 INFO L93 Difference]: Finished difference Result 23738 states and 32793 transitions. [2021-12-18 09:46:05,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 09:46:05,353 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 4 states have internal predecessors, (178), 1 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (49), 2 states have call predecessors, (49), 1 states have call successors, (49) Word has length 484 [2021-12-18 09:46:05,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:46:05,356 INFO L225 Difference]: With dead ends: 23738 [2021-12-18 09:46:05,356 INFO L226 Difference]: Without dead ends: 0 [2021-12-18 09:46:05,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:46:05,404 INFO L933 BasicCegarLoop]: 2162 mSDtfsCounter, 1127 mSDsluCounter, 7106 mSDsCounter, 0 mSdLazyCounter, 3117 mSolverCounterSat, 1095 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1261 SdHoareTripleChecker+Valid, 9268 SdHoareTripleChecker+Invalid, 4215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1095 IncrementalHoareTripleChecker+Valid, 3117 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:46:05,404 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1261 Valid, 9268 Invalid, 4215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1095 Valid, 3117 Invalid, 3 Unknown, 0 Unchecked, 12.2s Time] [2021-12-18 09:46:05,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-18 09:46:05,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-18 09:46:05,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-18 09:46:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-18 09:46:05,407 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 484 [2021-12-18 09:46:05,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:46:05,407 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-18 09:46:05,407 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 22.25) internal successors, (178), 4 states have internal predecessors, (178), 1 states have call successors, (56), 4 states have call predecessors, (56), 2 states have return successors, (49), 2 states have call predecessors, (49), 1 states have call successors, (49) [2021-12-18 09:46:05,407 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-18 09:46:05,408 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-18 09:46:05,410 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-18 09:46:05,416 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-18 09:46:05,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. Killed by 15