./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.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 8e14f2a21a56a60e783d0aab2506240481fbe23123ec2497fb50b7b6292e33af --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 01:25:21,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 01:25:21,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 01:25:21,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 01:25:21,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 01:25:21,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 01:25:21,287 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 01:25:21,291 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 01:25:21,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 01:25:21,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 01:25:21,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 01:25:21,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 01:25:21,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 01:25:21,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 01:25:21,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 01:25:21,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 01:25:21,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 01:25:21,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 01:25:21,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 01:25:21,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 01:25:21,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 01:25:21,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 01:25:21,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 01:25:21,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 01:25:21,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 01:25:21,321 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 01:25:21,321 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 01:25:21,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 01:25:21,324 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 01:25:21,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 01:25:21,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 01:25:21,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 01:25:21,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 01:25:21,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 01:25:21,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 01:25:21,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 01:25:21,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 01:25:21,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 01:25:21,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 01:25:21,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 01:25:21,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 01:25:21,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 01:25:21,352 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 01:25:21,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 01:25:21,352 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 01:25:21,353 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 01:25:21,353 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 01:25:21,353 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 01:25:21,354 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 01:25:21,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 01:25:21,354 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 01:25:21,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 01:25:21,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 01:25:21,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 01:25:21,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 01:25:21,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 01:25:21,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 01:25:21,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 01:25:21,356 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 01:25:21,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 01:25:21,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 01:25:21,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 01:25:21,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 01:25:21,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:25:21,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 01:25:21,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 01:25:21,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 01:25:21,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 01:25:21,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 01:25:21,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 01:25:21,358 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 01:25:21,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 01:25:21,358 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 01:25:21,358 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e14f2a21a56a60e783d0aab2506240481fbe23123ec2497fb50b7b6292e33af [2021-11-17 01:25:21,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 01:25:21,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 01:25:21,536 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 01:25:21,537 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 01:25:21,537 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 01:25:21,538 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-17 01:25:21,599 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14e11c012/164b7a6d4d324458b60543e9b56e2f67/FLAG8498b72a4 [2021-11-17 01:25:22,395 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 01:25:22,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-17 01:25:22,454 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14e11c012/164b7a6d4d324458b60543e9b56e2f67/FLAG8498b72a4 [2021-11-17 01:25:22,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14e11c012/164b7a6d4d324458b60543e9b56e2f67 [2021-11-17 01:25:22,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 01:25:22,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 01:25:22,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 01:25:22,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 01:25:22,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 01:25:22,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:25:22" (1/1) ... [2021-11-17 01:25:22,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299d11f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:22, skipping insertion in model container [2021-11-17 01:25:22,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 01:25:22" (1/1) ... [2021-11-17 01:25:22,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 01:25:22,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 01:25:23,240 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2021-11-17 01:25:23,241 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2021-11-17 01:25:23,890 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[202382,202395] [2021-11-17 01:25:27,250 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:25:27,297 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 01:25:27,386 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2021-11-17 01:25:27,387 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2021-11-17 01:25:27,401 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-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i[202382,202395] [2021-11-17 01:25:27,717 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 01:25:28,072 INFO L208 MainTranslator]: Completed translation [2021-11-17 01:25:28,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28 WrapperNode [2021-11-17 01:25:28,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 01:25:28,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 01:25:28,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 01:25:28,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 01:25:28,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:28,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:28,638 INFO L137 Inliner]: procedures = 615, calls = 7318, calls flagged for inlining = 278, calls inlined = 266, statements flattened = 14794 [2021-11-17 01:25:28,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 01:25:28,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 01:25:28,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 01:25:28,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 01:25:28,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:28,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:28,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:28,721 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:29,021 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:29,058 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:29,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:29,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 01:25:29,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 01:25:29,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 01:25:29,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 01:25:29,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (1/1) ... [2021-11-17 01:25:29,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 01:25:29,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 01:25:29,297 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 01:25:29,359 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 01:25:29,395 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 01:25:29,395 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 01:25:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-17 01:25:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-17 01:25:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-17 01:25:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-17 01:25:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-17 01:25:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-11-17 01:25:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-11-17 01:25:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-17 01:25:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-17 01:25:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-11-17 01:25:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-11-17 01:25:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 01:25:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 01:25:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-11-17 01:25:29,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-11-17 01:25:29,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 01:25:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 01:25:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-11-17 01:25:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-11-17 01:25:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-11-17 01:25:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-11-17 01:25:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-11-17 01:25:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-11-17 01:25:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-17 01:25:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-17 01:25:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-17 01:25:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-17 01:25:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-11-17 01:25:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-11-17 01:25:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-11-17 01:25:29,397 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-11-17 01:25:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-17 01:25:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-17 01:25:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-17 01:25:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-17 01:25:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-11-17 01:25:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-11-17 01:25:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-17 01:25:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-17 01:25:29,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-17 01:25:29,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-17 01:25:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 01:25:29,412 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 01:25:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-11-17 01:25:29,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-11-17 01:25:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-11-17 01:25:29,412 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-11-17 01:25:29,412 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 01:25:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 01:25:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-11-17 01:25:29,413 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-11-17 01:25:29,413 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-11-17 01:25:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-11-17 01:25:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-11-17 01:25:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-11-17 01:25:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-11-17 01:25:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-11-17 01:25:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-11-17 01:25:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-11-17 01:25:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-11-17 01:25:29,414 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-11-17 01:25:29,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-17 01:25:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-17 01:25:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-11-17 01:25:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-11-17 01:25:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-17 01:25:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-17 01:25:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-17 01:25:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-17 01:25:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-11-17 01:25:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-11-17 01:25:29,415 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-17 01:25:29,415 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-17 01:25:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-17 01:25:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-11-17 01:25:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-11-17 01:25:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-11-17 01:25:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-11-17 01:25:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-17 01:25:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-17 01:25:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-17 01:25:29,416 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-17 01:25:29,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 01:25:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-17 01:25:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-17 01:25:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-11-17 01:25:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-11-17 01:25:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-11-17 01:25:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-11-17 01:25:29,417 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-11-17 01:25:29,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-11-17 01:25:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-11-17 01:25:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-11-17 01:25:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-11-17 01:25:29,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-11-17 01:25:29,418 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-11-17 01:25:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-11-17 01:25:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-17 01:25:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-17 01:25:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-11-17 01:25:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-11-17 01:25:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-11-17 01:25:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-11-17 01:25:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-11-17 01:25:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-11-17 01:25:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-17 01:25:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-17 01:25:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-11-17 01:25:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-11-17 01:25:29,419 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 01:25:29,419 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 01:25:29,420 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-11-17 01:25:29,420 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-11-17 01:25:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-17 01:25:29,422 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-17 01:25:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 01:25:29,422 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-11-17 01:25:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-11-17 01:25:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-17 01:25:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-17 01:25:29,423 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-17 01:25:29,423 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-17 01:25:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 01:25:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-11-17 01:25:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-11-17 01:25:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-11-17 01:25:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-11-17 01:25:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-17 01:25:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-17 01:25:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-11-17 01:25:29,428 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-11-17 01:25:29,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-11-17 01:25:29,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-11-17 01:25:29,429 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-17 01:25:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-11-17 01:25:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-11-17 01:25:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-11-17 01:25:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-17 01:25:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-11-17 01:25:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-11-17 01:25:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-17 01:25:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-17 01:25:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 01:25:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 01:25:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-11-17 01:25:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-11-17 01:25:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 01:25:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 01:25:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-11-17 01:25:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-11-17 01:25:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-17 01:25:29,435 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-17 01:25:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-11-17 01:25:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-11-17 01:25:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-11-17 01:25:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-11-17 01:25:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 01:25:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 01:25:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-11-17 01:25:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 01:25:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-17 01:25:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-17 01:25:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 01:25:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-11-17 01:25:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-17 01:25:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-17 01:25:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-17 01:25:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-11-17 01:25:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-11-17 01:25:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-11-17 01:25:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-17 01:25:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-11-17 01:25:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-11-17 01:25:29,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-11-17 01:25:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-11-17 01:25:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-11-17 01:25:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-11-17 01:25:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 01:25:29,442 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 01:25:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-11-17 01:25:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-11-17 01:25:29,443 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-17 01:25:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-17 01:25:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 01:25:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-17 01:25:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-11-17 01:25:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-11-17 01:25:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-11-17 01:25:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-11-17 01:25:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-11-17 01:25:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-11-17 01:25:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-11-17 01:25:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-11-17 01:25:29,464 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-11-17 01:25:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-11-17 01:25:30,626 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 01:25:30,629 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 01:25:30,692 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 01:25:55,927 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 01:25:55,968 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 01:25:55,968 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 01:25:55,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:25:55 BoogieIcfgContainer [2021-11-17 01:25:55,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 01:25:55,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 01:25:55,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 01:25:55,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 01:25:55,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 01:25:22" (1/3) ... [2021-11-17 01:25:55,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1e7245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:25:55, skipping insertion in model container [2021-11-17 01:25:55,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 01:25:28" (2/3) ... [2021-11-17 01:25:55,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d1e7245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 01:25:55, skipping insertion in model container [2021-11-17 01:25:55,979 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 01:25:55" (3/3) ... [2021-11-17 01:25:55,981 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--qlogic--qlge--qlge.ko-entry_point.cil.out.i [2021-11-17 01:25:55,984 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 01:25:55,985 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 01:25:56,041 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 01:25:56,054 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 01:25:56,055 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 01:25:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand has 4932 states, 3488 states have (on average 1.3735665137614679) internal successors, (4791), 3562 states have internal predecessors, (4791), 1207 states have call successors, (1207), 236 states have call predecessors, (1207), 235 states have return successors, (1197), 1182 states have call predecessors, (1197), 1197 states have call successors, (1197) [2021-11-17 01:25:56,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-17 01:25:56,151 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:25:56,152 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:25:56,153 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:25:56,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:25:56,156 INFO L85 PathProgramCache]: Analyzing trace with hash -483038813, now seen corresponding path program 1 times [2021-11-17 01:25:56,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:25:56,163 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224004776] [2021-11-17 01:25:56,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:25:56,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:25:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:25:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:25:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:25:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:25:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:25:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:25:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:25:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:25:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:25:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 01:25:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 01:25:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-17 01:25:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:25:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:25:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 01:25:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:25:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:25:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:25:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 01:25:56,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:25:56,940 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-17 01:25:56,940 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:25:56,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224004776] [2021-11-17 01:25:56,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224004776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:25:56,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:25:56,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:25:56,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741751539] [2021-11-17 01:25:56,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:25:56,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:25:56,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:25:56,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:25:56,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:25:56,971 INFO L87 Difference]: Start difference. First operand has 4932 states, 3488 states have (on average 1.3735665137614679) internal successors, (4791), 3562 states have internal predecessors, (4791), 1207 states have call successors, (1207), 236 states have call predecessors, (1207), 235 states have return successors, (1197), 1182 states have call predecessors, (1197), 1197 states have call successors, (1197) Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 01:25:59,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:01,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:13,656 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:15,662 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:18,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:20,995 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:22,230 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:23,461 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:30,772 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:32,917 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:35,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:38,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:40,365 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:44,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:47,573 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:49,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:52,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:54,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:26:58,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:26:58,050 INFO L93 Difference]: Finished difference Result 16296 states and 24510 transitions. [2021-11-17 01:26:58,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:26:58,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 154 [2021-11-17 01:26:58,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:26:58,141 INFO L225 Difference]: With dead ends: 16296 [2021-11-17 01:26:58,141 INFO L226 Difference]: Without dead ends: 11310 [2021-11-17 01:26:58,177 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:26:58,179 INFO L933 BasicCegarLoop]: 7470 mSDtfsCounter, 17339 mSDsluCounter, 10890 mSDsCounter, 0 mSdLazyCounter, 8950 mSolverCounterSat, 11136 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18448 SdHoareTripleChecker+Valid, 18360 SdHoareTripleChecker+Invalid, 20101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11136 IncrementalHoareTripleChecker+Valid, 8950 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 60.0s IncrementalHoareTripleChecker+Time [2021-11-17 01:26:58,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18448 Valid, 18360 Invalid, 20101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11136 Valid, 8950 Invalid, 15 Unknown, 0 Unchecked, 60.0s Time] [2021-11-17 01:26:58,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11310 states. [2021-11-17 01:26:58,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11310 to 9648. [2021-11-17 01:26:58,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9648 states, 6843 states have (on average 1.3694286131813531) internal successors, (9371), 6965 states have internal predecessors, (9371), 2340 states have call successors, (2340), 465 states have call predecessors, (2340), 464 states have return successors, (2340), 2307 states have call predecessors, (2340), 2338 states have call successors, (2340) [2021-11-17 01:26:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9648 states to 9648 states and 14051 transitions. [2021-11-17 01:26:58,676 INFO L78 Accepts]: Start accepts. Automaton has 9648 states and 14051 transitions. Word has length 154 [2021-11-17 01:26:58,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:26:58,678 INFO L470 AbstractCegarLoop]: Abstraction has 9648 states and 14051 transitions. [2021-11-17 01:26:58,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-17 01:26:58,679 INFO L276 IsEmpty]: Start isEmpty. Operand 9648 states and 14051 transitions. [2021-11-17 01:26:58,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-17 01:26:58,694 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:26:58,695 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:26:58,695 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 01:26:58,695 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:26:58,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:26:58,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1092093586, now seen corresponding path program 1 times [2021-11-17 01:26:58,697 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:26:58,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526661064] [2021-11-17 01:26:58,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:26:58,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:26:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:26:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:26:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:26:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:26:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:26:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:26:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:26:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:26:59,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:26:59,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-17 01:26:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:26:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:26:59,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:26:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:26:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-17 01:26:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:26:59,477 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-11-17 01:26:59,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:26:59,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526661064] [2021-11-17 01:26:59,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526661064] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:26:59,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:26:59,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:26:59,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122438035] [2021-11-17 01:26:59,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:26:59,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:26:59,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:26:59,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:26:59,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:26:59,481 INFO L87 Difference]: Start difference. First operand 9648 states and 14051 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 01:27:01,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:03,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:17,071 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:19,080 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:21,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:23,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:25,458 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:27,035 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:28,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:34,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:36,057 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:38,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:41,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:43,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:46,159 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:49,104 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:51,558 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:56,292 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:27:58,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:03,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:28:03,641 INFO L93 Difference]: Finished difference Result 31516 states and 46973 transitions. [2021-11-17 01:28:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:28:03,641 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 140 [2021-11-17 01:28:03,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:28:03,745 INFO L225 Difference]: With dead ends: 31516 [2021-11-17 01:28:03,745 INFO L226 Difference]: Without dead ends: 21889 [2021-11-17 01:28:03,782 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:28:03,783 INFO L933 BasicCegarLoop]: 8511 mSDtfsCounter, 12565 mSDsluCounter, 11668 mSDsCounter, 0 mSdLazyCounter, 9933 mSolverCounterSat, 7117 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13634 SdHoareTripleChecker+Valid, 20179 SdHoareTripleChecker+Invalid, 17066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7117 IncrementalHoareTripleChecker+Valid, 9933 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.1s IncrementalHoareTripleChecker+Time [2021-11-17 01:28:03,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13634 Valid, 20179 Invalid, 17066 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7117 Valid, 9933 Invalid, 16 Unknown, 0 Unchecked, 63.1s Time] [2021-11-17 01:28:03,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21889 states. [2021-11-17 01:28:04,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21889 to 18635. [2021-11-17 01:28:04,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18635 states, 13217 states have (on average 1.3684648558674435) internal successors, (18087), 13468 states have internal predecessors, (18087), 4509 states have call successors, (4509), 911 states have call predecessors, (4509), 908 states have return successors, (4513), 4435 states have call predecessors, (4513), 4507 states have call successors, (4513) [2021-11-17 01:28:04,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18635 states to 18635 states and 27109 transitions. [2021-11-17 01:28:04,435 INFO L78 Accepts]: Start accepts. Automaton has 18635 states and 27109 transitions. Word has length 140 [2021-11-17 01:28:04,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:28:04,436 INFO L470 AbstractCegarLoop]: Abstraction has 18635 states and 27109 transitions. [2021-11-17 01:28:04,436 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (18), 5 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-17 01:28:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 18635 states and 27109 transitions. [2021-11-17 01:28:04,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-11-17 01:28:04,450 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:28:04,450 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 3, 3, 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] [2021-11-17 01:28:04,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 01:28:04,450 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:28:04,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:28:04,451 INFO L85 PathProgramCache]: Analyzing trace with hash -590618453, now seen corresponding path program 1 times [2021-11-17 01:28:04,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:28:04,451 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152484551] [2021-11-17 01:28:04,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:28:04,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:28:04,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:28:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:28:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:28:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:28:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:28:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:28:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:28:04,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:28:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:28:04,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-17 01:28:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-11-17 01:28:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 01:28:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:28:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 01:28:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-17 01:28:04,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-17 01:28:04,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 01:28:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:28:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 01:28:04,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 01:28:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:28:04,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 01:28:04,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:28:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 01:28:04,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 01:28:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 01:28:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 01:28:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-17 01:28:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:28:04,948 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-17 01:28:04,948 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:28:04,948 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152484551] [2021-11-17 01:28:04,948 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152484551] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:28:04,948 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:28:04,948 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:28:04,949 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848125722] [2021-11-17 01:28:04,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:28:04,950 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:28:04,950 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:28:04,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:28:04,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:28:04,951 INFO L87 Difference]: Start difference. First operand 18635 states and 27109 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 01:28:07,051 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:09,117 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:23,765 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:27,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:29,270 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:31,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:34,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:38,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:44,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:47,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:50,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:53,831 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:28:59,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:28:59,919 INFO L93 Difference]: Finished difference Result 64609 states and 97298 transitions. [2021-11-17 01:28:59,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 01:28:59,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 195 [2021-11-17 01:28:59,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:29:00,185 INFO L225 Difference]: With dead ends: 64609 [2021-11-17 01:29:00,185 INFO L226 Difference]: Without dead ends: 45995 [2021-11-17 01:29:00,268 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:29:00,272 INFO L933 BasicCegarLoop]: 8140 mSDtfsCounter, 18407 mSDsluCounter, 11959 mSDsCounter, 0 mSdLazyCounter, 11246 mSolverCounterSat, 12762 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19437 SdHoareTripleChecker+Valid, 20099 SdHoareTripleChecker+Invalid, 24018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12762 IncrementalHoareTripleChecker+Valid, 11246 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.3s IncrementalHoareTripleChecker+Time [2021-11-17 01:29:00,273 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19437 Valid, 20099 Invalid, 24018 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12762 Valid, 11246 Invalid, 10 Unknown, 0 Unchecked, 53.3s Time] [2021-11-17 01:29:00,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45995 states. [2021-11-17 01:29:01,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45995 to 35880. [2021-11-17 01:29:01,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35880 states, 25493 states have (on average 1.371199937237673) internal successors, (34956), 25997 states have internal predecessors, (34956), 8605 states have call successors, (8605), 1706 states have call predecessors, (8605), 1781 states have return successors, (9026), 8522 states have call predecessors, (9026), 8603 states have call successors, (9026) [2021-11-17 01:29:01,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35880 states to 35880 states and 52587 transitions. [2021-11-17 01:29:01,892 INFO L78 Accepts]: Start accepts. Automaton has 35880 states and 52587 transitions. Word has length 195 [2021-11-17 01:29:01,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:29:01,894 INFO L470 AbstractCegarLoop]: Abstraction has 35880 states and 52587 transitions. [2021-11-17 01:29:01,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 01:29:01,895 INFO L276 IsEmpty]: Start isEmpty. Operand 35880 states and 52587 transitions. [2021-11-17 01:29:01,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-11-17 01:29:01,914 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:29:01,914 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 9, 9, 9, 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] [2021-11-17 01:29:01,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 01:29:01,915 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:29:01,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:29:01,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1138022280, now seen corresponding path program 1 times [2021-11-17 01:29:01,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:29:01,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826845982] [2021-11-17 01:29:01,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:29:01,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:29:02,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:29:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:29:02,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:29:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:29:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:29:02,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:29:02,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:29:02,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:29:02,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:29:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-17 01:29:02,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-11-17 01:29:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-17 01:29:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-17 01:29:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-11-17 01:29:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 01:29:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 01:29:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 01:29:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 01:29:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 01:29:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 01:29:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-11-17 01:29:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 01:29:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:29:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 01:29:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 01:29:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:29:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-17 01:29:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 01:29:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:29:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:02,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-17 01:29:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:03,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:29:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 01:29:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:29:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-11-17 01:29:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:03,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-17 01:29:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:03,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:29:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:03,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:29:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:29:03,050 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-11-17 01:29:03,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:29:03,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826845982] [2021-11-17 01:29:03,050 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826845982] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:29:03,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:29:03,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:29:03,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919614233] [2021-11-17 01:29:03,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:29:03,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:29:03,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:29:03,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:29:03,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:29:03,052 INFO L87 Difference]: Start difference. First operand 35880 states and 52587 transitions. Second operand has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 01:29:05,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:07,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:25,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:27,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:29,651 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:31,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:33,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:36,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:40,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:42,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:44,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:46,883 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:48,361 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:49,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:51,185 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:53,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:29:59,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:01,988 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:04,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:06,345 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:09,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:13,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:30:13,837 INFO L93 Difference]: Finished difference Result 102245 states and 151396 transitions. [2021-11-17 01:30:13,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:30:13,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 244 [2021-11-17 01:30:13,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:30:14,322 INFO L225 Difference]: With dead ends: 102245 [2021-11-17 01:30:14,323 INFO L226 Difference]: Without dead ends: 66386 [2021-11-17 01:30:14,483 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:30:14,485 INFO L933 BasicCegarLoop]: 9836 mSDtfsCounter, 9155 mSDsluCounter, 12685 mSDsCounter, 0 mSdLazyCounter, 9625 mSolverCounterSat, 5345 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10006 SdHoareTripleChecker+Valid, 22521 SdHoareTripleChecker+Invalid, 14985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5345 IncrementalHoareTripleChecker+Valid, 9625 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 68.6s IncrementalHoareTripleChecker+Time [2021-11-17 01:30:14,486 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10006 Valid, 22521 Invalid, 14985 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5345 Valid, 9625 Invalid, 15 Unknown, 0 Unchecked, 68.6s Time] [2021-11-17 01:30:14,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66386 states. [2021-11-17 01:30:16,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66386 to 58105. [2021-11-17 01:30:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58105 states, 41462 states have (on average 1.3665766243789494) internal successors, (56661), 42281 states have internal predecessors, (56661), 13562 states have call successors, (13562), 2929 states have call predecessors, (13562), 3080 states have return successors, (14286), 13460 states have call predecessors, (14286), 13560 states have call successors, (14286) [2021-11-17 01:30:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58105 states to 58105 states and 84509 transitions. [2021-11-17 01:30:16,810 INFO L78 Accepts]: Start accepts. Automaton has 58105 states and 84509 transitions. Word has length 244 [2021-11-17 01:30:16,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:30:16,811 INFO L470 AbstractCegarLoop]: Abstraction has 58105 states and 84509 transitions. [2021-11-17 01:30:16,811 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.333333333333332) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-17 01:30:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 58105 states and 84509 transitions. [2021-11-17 01:30:16,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-17 01:30:16,845 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:30:16,846 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 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] [2021-11-17 01:30:16,846 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 01:30:16,846 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:30:16,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:30:16,847 INFO L85 PathProgramCache]: Analyzing trace with hash -157135747, now seen corresponding path program 1 times [2021-11-17 01:30:16,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:30:16,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925446339] [2021-11-17 01:30:16,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:30:16,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:30:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:30:17,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:30:17,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:30:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:30:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:30:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:30:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:30:17,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:30:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:30:17,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 01:30:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 01:30:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:30:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:30:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:30:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 01:30:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 01:30:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:30:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 01:30:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-17 01:30:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-11-17 01:30:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:30:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 01:30:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-11-17 01:30:17,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:30:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:30:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:30:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 01:30:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:30:17,754 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-11-17 01:30:17,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:30:17,754 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925446339] [2021-11-17 01:30:17,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925446339] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:30:17,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:30:17,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:30:17,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334852905] [2021-11-17 01:30:17,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:30:17,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:30:17,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:30:17,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:30:17,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:30:17,756 INFO L87 Difference]: Start difference. First operand 58105 states and 84509 transitions. Second operand has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 01:30:19,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:22,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:24,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:26,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:49,669 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:51,681 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:53,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:56,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:30:58,925 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:00,981 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:02,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:04,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:06,853 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:13,712 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:15,733 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:17,759 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:20,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:22,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:24,097 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:25,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:27,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:29,162 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:35,175 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:37,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:39,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:41,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:43,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:46,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:48,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:51,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:53,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:56,034 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:31:58,217 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:06,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:32:06,924 INFO L93 Difference]: Finished difference Result 157313 states and 232195 transitions. [2021-11-17 01:32:06,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:32:06,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 223 [2021-11-17 01:32:06,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:32:07,692 INFO L225 Difference]: With dead ends: 157313 [2021-11-17 01:32:07,692 INFO L226 Difference]: Without dead ends: 99240 [2021-11-17 01:32:08,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:32:08,029 INFO L933 BasicCegarLoop]: 11033 mSDtfsCounter, 9188 mSDsluCounter, 17994 mSDsCounter, 0 mSdLazyCounter, 14658 mSolverCounterSat, 3574 mSolverCounterUnsat, 26 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 98.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10282 SdHoareTripleChecker+Valid, 29027 SdHoareTripleChecker+Invalid, 18258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3574 IncrementalHoareTripleChecker+Valid, 14658 IncrementalHoareTripleChecker+Invalid, 26 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 105.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:32:08,029 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10282 Valid, 29027 Invalid, 18258 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3574 Valid, 14658 Invalid, 26 Unknown, 0 Unchecked, 105.5s Time] [2021-11-17 01:32:08,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99240 states. [2021-11-17 01:32:10,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99240 to 86519. [2021-11-17 01:32:10,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86519 states, 61714 states have (on average 1.3656220630651068) internal successors, (84278), 62918 states have internal predecessors, (84278), 20202 states have call successors, (20202), 4401 states have call predecessors, (20202), 4602 states have return successors, (21181), 20038 states have call predecessors, (21181), 20200 states have call successors, (21181) [2021-11-17 01:32:11,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86519 states to 86519 states and 125661 transitions. [2021-11-17 01:32:11,447 INFO L78 Accepts]: Start accepts. Automaton has 86519 states and 125661 transitions. Word has length 223 [2021-11-17 01:32:11,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:32:11,447 INFO L470 AbstractCegarLoop]: Abstraction has 86519 states and 125661 transitions. [2021-11-17 01:32:11,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.833333333333332) internal successors, (119), 3 states have internal predecessors, (119), 3 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 01:32:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 86519 states and 125661 transitions. [2021-11-17 01:32:11,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-17 01:32:11,504 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:32:11,504 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:32:11,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 01:32:11,504 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:32:11,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:32:11,505 INFO L85 PathProgramCache]: Analyzing trace with hash -200620643, now seen corresponding path program 1 times [2021-11-17 01:32:11,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:32:11,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822033514] [2021-11-17 01:32:11,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:32:11,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:32:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:11,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:32:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:11,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:32:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:32:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:32:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:32:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:32:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:32:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:32:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:32:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 01:32:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 01:32:12,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:32:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:32:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:32:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 01:32:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 01:32:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:32:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-17 01:32:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-11-17 01:32:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-11-17 01:32:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:32:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 01:32:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-11-17 01:32:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:32:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:32:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:32:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 01:32:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:32:12,206 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-11-17 01:32:12,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:32:12,206 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822033514] [2021-11-17 01:32:12,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822033514] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:32:12,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:32:12,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 01:32:12,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654669898] [2021-11-17 01:32:12,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:32:12,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 01:32:12,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:32:12,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 01:32:12,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 01:32:12,208 INFO L87 Difference]: Start difference. First operand 86519 states and 125661 transitions. Second operand has 6 states, 6 states have (on average 21.5) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 01:32:14,366 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:16,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:18,480 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:20,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:46,811 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:48,845 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:50,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:53,449 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:55,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:57,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:32:59,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:01,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:03,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:05,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:07,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:09,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:11,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:13,013 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:14,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:15,232 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:21,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:23,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:25,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:27,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:29,706 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:31,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:33,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:35,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:37,411 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:39,310 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:41,377 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:45,842 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:47,661 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:50,460 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:52,618 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:54,663 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:56,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:33:59,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:34:01,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:34:04,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:34:06,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:34:08,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:34:20,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:34:20,246 INFO L93 Difference]: Finished difference Result 218559 states and 322101 transitions. [2021-11-17 01:34:20,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 01:34:20,247 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 239 [2021-11-17 01:34:20,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:34:20,972 INFO L225 Difference]: With dead ends: 218559 [2021-11-17 01:34:20,972 INFO L226 Difference]: Without dead ends: 132072 [2021-11-17 01:34:21,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-17 01:34:21,416 INFO L933 BasicCegarLoop]: 12445 mSDtfsCounter, 8704 mSDsluCounter, 19149 mSDsCounter, 0 mSdLazyCounter, 15838 mSolverCounterSat, 3292 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9817 SdHoareTripleChecker+Valid, 31594 SdHoareTripleChecker+Invalid, 19159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3292 IncrementalHoareTripleChecker+Valid, 15838 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 123.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:34:21,416 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9817 Valid, 31594 Invalid, 19159 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3292 Valid, 15838 Invalid, 29 Unknown, 0 Unchecked, 123.4s Time] [2021-11-17 01:34:21,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132072 states. [2021-11-17 01:34:25,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132072 to 114957. [2021-11-17 01:34:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114957 states, 81982 states have (on average 1.3650679417433096) internal successors, (111911), 83571 states have internal predecessors, (111911), 26842 states have call successors, (26842), 5881 states have call predecessors, (26842), 6132 states have return successors, (28076), 26616 states have call predecessors, (28076), 26840 states have call successors, (28076) [2021-11-17 01:34:26,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114957 states to 114957 states and 166829 transitions. [2021-11-17 01:34:26,412 INFO L78 Accepts]: Start accepts. Automaton has 114957 states and 166829 transitions. Word has length 239 [2021-11-17 01:34:26,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:34:26,413 INFO L470 AbstractCegarLoop]: Abstraction has 114957 states and 166829 transitions. [2021-11-17 01:34:26,413 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.5) internal successors, (129), 3 states have internal predecessors, (129), 2 states have call successors, (30), 5 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-17 01:34:26,413 INFO L276 IsEmpty]: Start isEmpty. Operand 114957 states and 166829 transitions. [2021-11-17 01:34:26,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-11-17 01:34:26,479 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:34:26,479 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:34:26,479 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 01:34:26,480 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:34:26,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:34:26,480 INFO L85 PathProgramCache]: Analyzing trace with hash -830654934, now seen corresponding path program 1 times [2021-11-17 01:34:26,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:34:26,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160016829] [2021-11-17 01:34:26,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:34:26,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:34:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:34:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:34:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:34:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:34:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:34:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:34:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:34:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:34:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:34:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 01:34:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 01:34:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:34:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:34:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:34:26,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:26,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 01:34:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 01:34:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:34:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 01:34:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 01:34:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 01:34:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:34:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 01:34:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 01:34:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:34:27,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:34:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:34:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-11-17 01:34:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:34:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-17 01:34:27,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:34:27,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160016829] [2021-11-17 01:34:27,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160016829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:34:27,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:34:27,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 01:34:27,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221373193] [2021-11-17 01:34:27,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:34:27,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 01:34:27,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:34:27,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 01:34:27,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:34:27,358 INFO L87 Difference]: Start difference. First operand 114957 states and 166829 transitions. Second operand has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 3 states have call successors, (30), 5 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 01:34:29,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:34:52,073 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:34:54,569 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:34:56,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:34:58,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:00,608 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:02,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:04,660 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:06,921 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:08,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:10,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:13,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:15,213 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:16,939 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:18,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:25,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:28,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:31,287 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:35:38,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:35:38,785 INFO L93 Difference]: Finished difference Result 247811 states and 366644 transitions. [2021-11-17 01:35:38,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 01:35:38,790 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 3 states have call successors, (30), 5 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 253 [2021-11-17 01:35:38,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:35:39,797 INFO L225 Difference]: With dead ends: 247811 [2021-11-17 01:35:39,797 INFO L226 Difference]: Without dead ends: 132886 [2021-11-17 01:35:40,333 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2021-11-17 01:35:40,335 INFO L933 BasicCegarLoop]: 6591 mSDtfsCounter, 3820 mSDsluCounter, 32778 mSDsCounter, 0 mSdLazyCounter, 14604 mSolverCounterSat, 3284 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4239 SdHoareTripleChecker+Valid, 39369 SdHoareTripleChecker+Invalid, 17902 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3284 IncrementalHoareTripleChecker+Valid, 14604 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.9s IncrementalHoareTripleChecker+Time [2021-11-17 01:35:40,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4239 Valid, 39369 Invalid, 17902 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3284 Valid, 14604 Invalid, 14 Unknown, 0 Unchecked, 65.9s Time] [2021-11-17 01:35:40,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132886 states. [2021-11-17 01:35:43,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132886 to 115661. [2021-11-17 01:35:43,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115661 states, 82494 states have (on average 1.3662933061798435) internal successors, (112711), 84083 states have internal predecessors, (112711), 26970 states have call successors, (26970), 5945 states have call predecessors, (26970), 6196 states have return successors, (28268), 26744 states have call predecessors, (28268), 26968 states have call successors, (28268) [2021-11-17 01:35:44,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115661 states to 115661 states and 167949 transitions. [2021-11-17 01:35:44,894 INFO L78 Accepts]: Start accepts. Automaton has 115661 states and 167949 transitions. Word has length 253 [2021-11-17 01:35:44,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:35:44,895 INFO L470 AbstractCegarLoop]: Abstraction has 115661 states and 167949 transitions. [2021-11-17 01:35:44,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 3 states have call successors, (30), 5 states have call predecessors, (30), 4 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-17 01:35:44,895 INFO L276 IsEmpty]: Start isEmpty. Operand 115661 states and 167949 transitions. [2021-11-17 01:35:44,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-11-17 01:35:44,969 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:35:44,969 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:35:44,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-17 01:35:44,969 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:35:44,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:35:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1582177965, now seen corresponding path program 1 times [2021-11-17 01:35:44,970 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:35:44,970 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652346525] [2021-11-17 01:35:44,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:35:44,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:35:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:35:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:35:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:35:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:35:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:35:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:35:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:35:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:35:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:35:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 01:35:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 01:35:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:35:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:35:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:35:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 01:35:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 01:35:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:35:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 01:35:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 01:35:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 01:35:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:35:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 01:35:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 01:35:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:35:45,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:35:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:35:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:35:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:35:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-11-17 01:35:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-11-17 01:35:45,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:35:45,531 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-17 01:35:45,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:35:45,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652346525] [2021-11-17 01:35:45,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652346525] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:35:45,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:35:45,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 01:35:45,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755672364] [2021-11-17 01:35:45,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:35:45,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 01:35:45,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:35:45,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 01:35:45,533 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-17 01:35:45,533 INFO L87 Difference]: Start difference. First operand 115661 states and 167949 transitions. Second operand has 9 states, 8 states have (on average 15.125) internal successors, (121), 6 states have internal predecessors, (121), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-17 01:35:47,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:05,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:07,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:09,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:11,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:13,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:15,481 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:16,987 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:19,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:20,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:26,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:28,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:31,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:37,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:36:37,147 INFO L93 Difference]: Finished difference Result 249059 states and 368564 transitions. [2021-11-17 01:36:37,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 01:36:37,155 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.125) internal successors, (121), 6 states have internal predecessors, (121), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 258 [2021-11-17 01:36:37,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:36:38,331 INFO L225 Difference]: With dead ends: 249059 [2021-11-17 01:36:38,332 INFO L226 Difference]: Without dead ends: 133302 [2021-11-17 01:36:38,707 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-11-17 01:36:38,708 INFO L933 BasicCegarLoop]: 6618 mSDtfsCounter, 3777 mSDsluCounter, 21742 mSDsCounter, 0 mSdLazyCounter, 10717 mSolverCounterSat, 3232 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4196 SdHoareTripleChecker+Valid, 28360 SdHoareTripleChecker+Invalid, 13957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3232 IncrementalHoareTripleChecker+Valid, 10717 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.5s IncrementalHoareTripleChecker+Time [2021-11-17 01:36:38,708 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4196 Valid, 28360 Invalid, 13957 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3232 Valid, 10717 Invalid, 8 Unknown, 0 Unchecked, 46.5s Time] [2021-11-17 01:36:38,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133302 states. [2021-11-17 01:36:42,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133302 to 116205. [2021-11-17 01:36:42,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116205 states, 82766 states have (on average 1.3658627939008772) internal successors, (113047), 84435 states have internal predecessors, (113047), 27162 states have call successors, (27162), 5945 states have call predecessors, (27162), 6276 states have return successors, (28604), 26936 states have call predecessors, (28604), 27160 states have call successors, (28604) [2021-11-17 01:36:43,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116205 states to 116205 states and 168813 transitions. [2021-11-17 01:36:43,150 INFO L78 Accepts]: Start accepts. Automaton has 116205 states and 168813 transitions. Word has length 258 [2021-11-17 01:36:43,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:36:43,151 INFO L470 AbstractCegarLoop]: Abstraction has 116205 states and 168813 transitions. [2021-11-17 01:36:43,151 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.125) internal successors, (121), 6 states have internal predecessors, (121), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-17 01:36:43,152 INFO L276 IsEmpty]: Start isEmpty. Operand 116205 states and 168813 transitions. [2021-11-17 01:36:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-11-17 01:36:43,487 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:36:43,487 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:36:43,488 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-17 01:36:43,488 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:36:43,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:36:43,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1753258507, now seen corresponding path program 1 times [2021-11-17 01:36:43,488 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:36:43,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256743968] [2021-11-17 01:36:43,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:36:43,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:36:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:36:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:36:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:36:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:36:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:36:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:36:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:36:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:36:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:36:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 01:36:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 01:36:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:36:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:36:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:36:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 01:36:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 01:36:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:36:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 01:36:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 01:36:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 01:36:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:36:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 01:36:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 01:36:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:36:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:36:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:36:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:43,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-17 01:36:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:44,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:36:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:44,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-17 01:36:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 01:36:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:36:44,019 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-17 01:36:44,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:36:44,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256743968] [2021-11-17 01:36:44,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256743968] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:36:44,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:36:44,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 01:36:44,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144133015] [2021-11-17 01:36:44,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:36:44,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 01:36:44,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:36:44,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 01:36:44,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:36:44,021 INFO L87 Difference]: Start difference. First operand 116205 states and 168813 transitions. Second operand has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-17 01:36:46,123 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:36:48,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:09,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:11,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:14,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:16,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:19,422 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:21,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:23,472 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:30,090 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:32,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:34,924 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:38,141 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:40,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:37:48,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:37:48,316 INFO L93 Difference]: Finished difference Result 250147 states and 370436 transitions. [2021-11-17 01:37:48,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 01:37:48,317 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 259 [2021-11-17 01:37:48,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:37:49,187 INFO L225 Difference]: With dead ends: 250147 [2021-11-17 01:37:49,187 INFO L226 Difference]: Without dead ends: 133846 [2021-11-17 01:37:49,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-11-17 01:37:49,811 INFO L933 BasicCegarLoop]: 6612 mSDtfsCounter, 5496 mSDsluCounter, 32889 mSDsCounter, 0 mSdLazyCounter, 14560 mSolverCounterSat, 4968 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5913 SdHoareTripleChecker+Valid, 39501 SdHoareTripleChecker+Invalid, 19541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4968 IncrementalHoareTripleChecker+Valid, 14560 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.2s IncrementalHoareTripleChecker+Time [2021-11-17 01:37:49,812 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5913 Valid, 39501 Invalid, 19541 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4968 Valid, 14560 Invalid, 13 Unknown, 0 Unchecked, 59.2s Time] [2021-11-17 01:37:49,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133846 states. [2021-11-17 01:37:53,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133846 to 116381. [2021-11-17 01:37:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116381 states, 82862 states have (on average 1.3658251068040839) internal successors, (113175), 84547 states have internal predecessors, (113175), 27226 states have call successors, (27226), 5945 states have call predecessors, (27226), 6292 states have return successors, (28764), 27000 states have call predecessors, (28764), 27224 states have call successors, (28764) [2021-11-17 01:37:54,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116381 states to 116381 states and 169165 transitions. [2021-11-17 01:37:54,439 INFO L78 Accepts]: Start accepts. Automaton has 116381 states and 169165 transitions. Word has length 259 [2021-11-17 01:37:54,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:37:54,440 INFO L470 AbstractCegarLoop]: Abstraction has 116381 states and 169165 transitions. [2021-11-17 01:37:54,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.555555555555555) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-17 01:37:54,441 INFO L276 IsEmpty]: Start isEmpty. Operand 116381 states and 169165 transitions. [2021-11-17 01:37:54,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-11-17 01:37:54,506 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:37:54,506 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:37:54,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-17 01:37:54,507 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:37:54,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:37:54,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1034842072, now seen corresponding path program 1 times [2021-11-17 01:37:54,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:37:54,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086168181] [2021-11-17 01:37:54,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:37:54,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:37:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:54,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:37:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:54,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:37:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:37:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:37:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:37:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:37:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:37:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:37:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:37:55,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 01:37:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 01:37:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:37:55,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:37:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:37:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 01:37:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 01:37:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:37:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 01:37:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 01:37:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 01:37:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:37:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 01:37:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 01:37:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:37:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:37:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:37:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-11-17 01:37:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:37:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-11-17 01:37:55,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-11-17 01:37:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:37:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-17 01:37:55,298 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:37:55,298 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086168181] [2021-11-17 01:37:55,298 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086168181] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:37:55,298 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:37:55,298 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 01:37:55,298 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799287762] [2021-11-17 01:37:55,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:37:55,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 01:37:55,300 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:37:55,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 01:37:55,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:37:55,301 INFO L87 Difference]: Start difference. First operand 116381 states and 169165 transitions. Second operand has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 7 states have internal predecessors, (123), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-17 01:37:57,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:19,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:22,415 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:24,436 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:27,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:29,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:35,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:38,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:40,917 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:44,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:38:51,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 01:38:51,862 INFO L93 Difference]: Finished difference Result 250499 states and 371188 transitions. [2021-11-17 01:38:51,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-17 01:38:51,863 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 7 states have internal predecessors, (123), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 260 [2021-11-17 01:38:51,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 01:38:52,748 INFO L225 Difference]: With dead ends: 250499 [2021-11-17 01:38:52,748 INFO L226 Difference]: Without dead ends: 134022 [2021-11-17 01:38:53,169 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-11-17 01:38:53,176 INFO L933 BasicCegarLoop]: 6569 mSDtfsCounter, 3795 mSDsluCounter, 27136 mSDsCounter, 0 mSdLazyCounter, 12619 mSolverCounterSat, 3261 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4212 SdHoareTripleChecker+Valid, 33705 SdHoareTripleChecker+Invalid, 15890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3261 IncrementalHoareTripleChecker+Valid, 12619 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.4s IncrementalHoareTripleChecker+Time [2021-11-17 01:38:53,177 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4212 Valid, 33705 Invalid, 15890 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3261 Valid, 12619 Invalid, 10 Unknown, 0 Unchecked, 51.4s Time] [2021-11-17 01:38:53,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134022 states. [2021-11-17 01:38:56,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134022 to 116381. [2021-11-17 01:38:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116381 states, 82862 states have (on average 1.3658251068040839) internal successors, (113175), 84547 states have internal predecessors, (113175), 27226 states have call successors, (27226), 5945 states have call predecessors, (27226), 6292 states have return successors, (28764), 27000 states have call predecessors, (28764), 27224 states have call successors, (28764) [2021-11-17 01:38:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116381 states to 116381 states and 169165 transitions. [2021-11-17 01:38:57,853 INFO L78 Accepts]: Start accepts. Automaton has 116381 states and 169165 transitions. Word has length 260 [2021-11-17 01:38:57,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 01:38:57,864 INFO L470 AbstractCegarLoop]: Abstraction has 116381 states and 169165 transitions. [2021-11-17 01:38:57,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.666666666666666) internal successors, (123), 7 states have internal predecessors, (123), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-17 01:38:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 116381 states and 169165 transitions. [2021-11-17 01:38:57,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-17 01:38:57,938 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 01:38:57,939 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 11, 6, 6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 01:38:57,939 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-17 01:38:57,939 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 01:38:57,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 01:38:57,940 INFO L85 PathProgramCache]: Analyzing trace with hash -798962896, now seen corresponding path program 1 times [2021-11-17 01:38:57,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 01:38:57,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496754985] [2021-11-17 01:38:57,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 01:38:57,940 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 01:38:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 01:38:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-17 01:38:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:38:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-17 01:38:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-17 01:38:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-17 01:38:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-17 01:38:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-17 01:38:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-17 01:38:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-11-17 01:38:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-17 01:38:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 01:38:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 01:38:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-11-17 01:38:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-11-17 01:38:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-11-17 01:38:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 01:38:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-17 01:38:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-17 01:38:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 01:38:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:38:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 01:38:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-17 01:38:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:38:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:38:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:38:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-17 01:38:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 01:38:58,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-11-17 01:38:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-17 01:38:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 01:38:58,839 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-11-17 01:38:58,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 01:38:58,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496754985] [2021-11-17 01:38:58,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496754985] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 01:38:58,840 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 01:38:58,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 01:38:58,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760738859] [2021-11-17 01:38:58,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 01:38:58,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 01:38:58,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 01:38:58,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 01:38:58,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 01:38:58,841 INFO L87 Difference]: Start difference. First operand 116381 states and 169165 transitions. Second operand has 10 states, 9 states have (on average 13.777777777777779) internal successors, (124), 7 states have internal predecessors, (124), 4 states have call successors, (33), 5 states have call predecessors, (33), 4 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2021-11-17 01:39:00,957 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:03,015 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 01:39:05,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15