./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 c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-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 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 04:47:28,914 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 04:47:28,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 04:47:28,973 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 04:47:28,973 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 04:47:28,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 04:47:28,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 04:47:28,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 04:47:28,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 04:47:28,986 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 04:47:28,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 04:47:28,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 04:47:28,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 04:47:28,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 04:47:28,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 04:47:28,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 04:47:29,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 04:47:29,001 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 04:47:29,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 04:47:29,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 04:47:29,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 04:47:29,008 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 04:47:29,009 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 04:47:29,010 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 04:47:29,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 04:47:29,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 04:47:29,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 04:47:29,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 04:47:29,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 04:47:29,016 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 04:47:29,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 04:47:29,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 04:47:29,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 04:47:29,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 04:47:29,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 04:47:29,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 04:47:29,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 04:47:29,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 04:47:29,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 04:47:29,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 04:47:29,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 04:47:29,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 04:47:29,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 04:47:29,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 04:47:29,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 04:47:29,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 04:47:29,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 04:47:29,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 04:47:29,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 04:47:29,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 04:47:29,055 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 04:47:29,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 04:47:29,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 04:47:29,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 04:47:29,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 04:47:29,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 04:47:29,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 04:47:29,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 04:47:29,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 04:47:29,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 04:47:29,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 04:47:29,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 04:47:29,058 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 04:47:29,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:47:29,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 04:47:29,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 04:47:29,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 04:47:29,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 04:47:29,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 04:47:29,059 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 04:47:29,059 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 04:47:29,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 04:47:29,059 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 04:47:29,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e14f2a21a56a60e783d0aab2506240481fbe23123ec2497fb50b7b6292e33af [2021-12-18 04:47:29,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 04:47:29,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 04:47:29,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 04:47:29,260 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 04:47:29,261 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 04:47:29,262 INFO L432 ainManager$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 [2021-12-18 04:47:29,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc276a92/bc02eb8d7f9d4a96ba0ee5c66a3bef8c/FLAGaaa4744b6 [2021-12-18 04:47:30,042 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 04:47:30,044 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 [2021-12-18 04:47:30,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc276a92/bc02eb8d7f9d4a96ba0ee5c66a3bef8c/FLAGaaa4744b6 [2021-12-18 04:47:30,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2fc276a92/bc02eb8d7f9d4a96ba0ee5c66a3bef8c [2021-12-18 04:47:30,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 04:47:30,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 04:47:30,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 04:47:30,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 04:47:30,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 04:47:30,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:47:30" (1/1) ... [2021-12-18 04:47:30,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bdba4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:30, skipping insertion in model container [2021-12-18 04:47:30,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 04:47:30" (1/1) ... [2021-12-18 04:47:30,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 04:47:30,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 04:47:30,986 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2021-12-18 04:47:30,988 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2021-12-18 04:47:32,002 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] [2021-12-18 04:47:36,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:47:36,368 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 04:47:36,458 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [6571] [2021-12-18 04:47:36,459 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [6572-6573] [2021-12-18 04:47:36,471 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] [2021-12-18 04:47:36,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 04:47:37,075 INFO L208 MainTranslator]: Completed translation [2021-12-18 04:47:37,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37 WrapperNode [2021-12-18 04:47:37,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 04:47:37,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 04:47:37,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 04:47:37,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 04:47:37,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:37,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:37,524 INFO L137 Inliner]: procedures = 615, calls = 7318, calls flagged for inlining = 278, calls inlined = 266, statements flattened = 14805 [2021-12-18 04:47:37,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 04:47:37,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 04:47:37,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 04:47:37,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 04:47:37,533 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:37,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:37,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:37,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:37,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:37,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:37,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:38,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 04:47:38,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 04:47:38,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 04:47:38,115 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 04:47:38,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (1/1) ... [2021-12-18 04:47:38,133 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 04:47:38,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 04:47:38,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-18 04:47:38,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-18 04:47:38,255 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-18 04:47:38,255 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-18 04:47:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-18 04:47:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-18 04:47:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-18 04:47:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 04:47:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 04:47:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-12-18 04:47:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-12-18 04:47:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-18 04:47:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-18 04:47:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-18 04:47:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-18 04:47:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-18 04:47:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-18 04:47:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-12-18 04:47:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-12-18 04:47:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 04:47:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 04:47:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2021-12-18 04:47:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2021-12-18 04:47:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-12-18 04:47:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-12-18 04:47:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-12-18 04:47:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-12-18 04:47:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-18 04:47:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-18 04:47:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-18 04:47:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-18 04:47:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-12-18 04:47:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-12-18 04:47:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-12-18 04:47:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-12-18 04:47:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-18 04:47:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-18 04:47:38,260 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-18 04:47:38,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-18 04:47:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-18 04:47:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-18 04:47:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 04:47:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 04:47:38,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-18 04:47:38,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-18 04:47:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-18 04:47:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-18 04:47:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-12-18 04:47:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-12-18 04:47:38,262 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_kill_vid [2021-12-18 04:47:38,262 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_kill_vid [2021-12-18 04:47:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-18 04:47:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-18 04:47:38,263 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-18 04:47:38,263 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-18 04:47:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2021-12-18 04:47:38,264 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2021-12-18 04:47:38,264 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-12-18 04:47:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-12-18 04:47:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2021-12-18 04:47:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2021-12-18 04:47:38,265 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-12-18 04:47:38,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-12-18 04:47:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2021-12-18 04:47:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2021-12-18 04:47:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-18 04:47:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-18 04:47:38,266 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-12-18 04:47:38,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-12-18 04:47:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-18 04:47:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-18 04:47:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-18 04:47:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-18 04:47:38,267 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2021-12-18 04:47:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2021-12-18 04:47:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 04:47:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 04:47:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-12-18 04:47:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2021-12-18 04:47:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2021-12-18 04:47:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-12-18 04:47:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-12-18 04:47:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 04:47:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 04:47:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-18 04:47:38,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-18 04:47:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 04:47:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 04:47:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 04:47:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2021-12-18 04:47:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2021-12-18 04:47:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-12-18 04:47:38,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-12-18 04:47:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-12-18 04:47:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-12-18 04:47:38,271 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2021-12-18 04:47:38,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2021-12-18 04:47:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-12-18 04:47:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-12-18 04:47:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-12-18 04:47:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-12-18 04:47:38,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-18 04:47:38,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-18 04:47:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-18 04:47:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-18 04:47:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-12-18 04:47:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-12-18 04:47:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2021-12-18 04:47:38,273 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2021-12-18 04:47:38,273 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 04:47:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 04:47:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-12-18 04:47:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-12-18 04:47:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-18 04:47:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-18 04:47:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2021-12-18 04:47:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2021-12-18 04:47:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-18 04:47:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-18 04:47:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 04:47:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2021-12-18 04:47:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2021-12-18 04:47:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-18 04:47:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-18 04:47:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 04:47:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 04:47:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-18 04:47:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-18 04:47:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2021-12-18 04:47:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2021-12-18 04:47:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-12-18 04:47:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-12-18 04:47:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-12-18 04:47:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-12-18 04:47:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 04:47:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-12-18 04:47:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-12-18 04:47:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 04:47:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 04:47:38,296 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 04:47:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-12-18 04:47:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-12-18 04:47:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2021-12-18 04:47:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2021-12-18 04:47:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 04:47:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 04:47:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-18 04:47:38,297 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-18 04:47:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2021-12-18 04:47:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2021-12-18 04:47:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-18 04:47:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-18 04:47:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 04:47:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 04:47:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-12-18 04:47:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-12-18 04:47:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-18 04:47:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-18 04:47:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-18 04:47:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-18 04:47:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-12-18 04:47:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-12-18 04:47:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-18 04:47:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-18 04:47:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-12-18 04:47:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-12-18 04:47:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 04:47:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 04:47:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 04:47:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 04:47:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-12-18 04:47:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2021-12-18 04:47:38,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2021-12-18 04:47:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-12-18 04:47:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-12-18 04:47:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2021-12-18 04:47:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2021-12-18 04:47:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 04:47:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-12-18 04:47:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-12-18 04:47:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-12-18 04:47:38,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-12-18 04:47:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-18 04:47:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-18 04:47:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 04:47:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-18 04:47:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-18 04:47:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_get_stats [2021-12-18 04:47:38,302 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_get_stats [2021-12-18 04:47:38,302 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 04:47:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 04:47:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 04:47:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 04:47:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-18 04:47:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-18 04:47:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-12-18 04:47:38,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-12-18 04:47:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 04:47:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 04:47:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_slot_reset [2021-12-18 04:47:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_slot_reset [2021-12-18 04:47:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-18 04:47:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-18 04:47:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2021-12-18 04:47:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2021-12-18 04:47:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 04:47:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-18 04:47:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-12-18 04:47:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-12-18 04:47:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2021-12-18 04:47:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2021-12-18 04:47:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-18 04:47:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-18 04:47:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-12-18 04:47:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-12-18 04:47:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-18 04:47:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-18 04:47:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-12-18 04:47:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-12-18 04:47:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 04:47:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 04:47:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 04:47:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 04:47:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-18 04:47:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-18 04:47:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2021-12-18 04:47:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2021-12-18 04:47:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-12-18 04:47:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-12-18 04:47:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-18 04:47:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-18 04:47:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2021-12-18 04:47:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2021-12-18 04:47:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-18 04:47:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-18 04:47:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-18 04:47:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-18 04:47:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_mac_address [2021-12-18 04:47:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_mac_address [2021-12-18 04:47:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 04:47:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 04:47:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-12-18 04:47:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-12-18 04:47:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-18 04:47:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-18 04:47:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-12-18 04:47:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-12-18 04:47:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-12-18 04:47:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-12-18 04:47:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-18 04:47:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-18 04:47:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-12-18 04:47:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-12-18 04:47:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 04:47:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 04:47:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 04:47:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 04:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-18 04:47:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-18 04:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-18 04:47:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-18 04:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 04:47:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-18 04:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-12-18 04:47:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-12-18 04:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-18 04:47:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-18 04:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-18 04:47:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-18 04:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-18 04:47:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-18 04:47:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-18 04:47:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-18 04:47:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-18 04:47:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2021-12-18 04:47:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2021-12-18 04:47:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-18 04:47:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-18 04:47:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2021-12-18 04:47:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2021-12-18 04:47:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2021-12-18 04:47:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2021-12-18 04:47:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-12-18 04:47:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-12-18 04:47:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2021-12-18 04:47:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2021-12-18 04:47:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-12-18 04:47:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-12-18 04:47:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 04:47:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 04:47:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_expand_head [2021-12-18 04:47:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_expand_head [2021-12-18 04:47:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 04:47:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 04:47:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_4 [2021-12-18 04:47:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_4 [2021-12-18 04:47:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-18 04:47:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-18 04:47:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 04:47:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 04:47:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-18 04:47:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-18 04:47:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-12-18 04:47:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-12-18 04:47:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-18 04:47:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-18 04:47:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 04:47:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 04:47:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2021-12-18 04:47:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2021-12-18 04:47:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2021-12-18 04:47:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2021-12-18 04:47:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 04:47:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 04:47:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-12-18 04:47:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-12-18 04:47:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-18 04:47:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-18 04:47:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2021-12-18 04:47:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2021-12-18 04:47:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2021-12-18 04:47:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2021-12-18 04:47:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-18 04:47:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-18 04:47:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-12-18 04:47:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-12-18 04:47:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 04:47:38,331 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 04:47:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-18 04:47:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-18 04:47:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_features [2021-12-18 04:47:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_features [2021-12-18 04:47:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 04:47:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-18 04:47:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-18 04:47:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2021-12-18 04:47:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2021-12-18 04:47:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-18 04:47:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-18 04:47:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2021-12-18 04:47:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2021-12-18 04:47:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-18 04:47:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-18 04:47:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_error_detected [2021-12-18 04:47:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_error_detected [2021-12-18 04:47:38,332 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2021-12-18 04:47:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2021-12-18 04:47:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 04:47:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-18 04:47:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-18 04:47:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2021-12-18 04:47:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2021-12-18 04:47:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-12-18 04:47:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-12-18 04:47:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-18 04:47:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-18 04:47:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-12-18 04:47:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-12-18 04:47:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-18 04:47:38,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-18 04:47:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 04:47:38,333 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2021-12-18 04:47:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2021-12-18 04:47:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-12-18 04:47:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-12-18 04:47:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-18 04:47:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-18 04:47:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-12-18 04:47:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-12-18 04:47:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 04:47:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 04:47:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 04:47:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 04:47:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-18 04:47:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-18 04:47:38,334 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-12-18 04:47:38,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-12-18 04:47:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-18 04:47:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-18 04:47:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2021-12-18 04:47:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2021-12-18 04:47:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-18 04:47:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-18 04:47:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-18 04:47:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-18 04:47:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2021-12-18 04:47:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2021-12-18 04:47:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 04:47:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 04:47:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 04:47:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 04:47:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-18 04:47:38,335 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-18 04:47:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-12-18 04:47:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-12-18 04:47:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-18 04:47:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-18 04:47:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2021-12-18 04:47:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2021-12-18 04:47:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-18 04:47:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-18 04:47:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-18 04:47:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-18 04:47:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-18 04:47:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-18 04:47:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-12-18 04:47:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-12-18 04:47:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-18 04:47:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-18 04:47:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2021-12-18 04:47:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2021-12-18 04:47:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_vlan_rx_add_vid [2021-12-18 04:47:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_vlan_rx_add_vid [2021-12-18 04:47:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 04:47:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2021-12-18 04:47:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2021-12-18 04:47:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-18 04:47:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-18 04:47:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 04:47:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 04:47:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_change_mtu [2021-12-18 04:47:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_change_mtu [2021-12-18 04:47:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_fix_features [2021-12-18 04:47:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_fix_features [2021-12-18 04:47:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-18 04:47:38,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-18 04:47:38,337 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-18 04:47:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-18 04:47:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 04:47:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 04:47:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-12-18 04:47:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-12-18 04:47:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-12-18 04:47:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-12-18 04:47:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-18 04:47:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-18 04:47:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-12-18 04:47:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-12-18 04:47:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2021-12-18 04:47:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2021-12-18 04:47:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-18 04:47:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-18 04:47:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-18 04:47:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-18 04:47:38,338 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2021-12-18 04:47:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2021-12-18 04:47:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-18 04:47:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-18 04:47:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-12-18 04:47:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-12-18 04:47:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-12-18 04:47:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-12-18 04:47:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-18 04:47:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-18 04:47:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-18 04:47:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-18 04:47:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2021-12-18 04:47:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2021-12-18 04:47:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-12-18 04:47:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-12-18 04:47:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2021-12-18 04:47:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2021-12-18 04:47:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-12-18 04:47:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-12-18 04:47:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 04:47:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-18 04:47:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2021-12-18 04:47:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2021-12-18 04:47:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-18 04:47:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-18 04:47:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-18 04:47:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-18 04:47:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2021-12-18 04:47:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2021-12-18 04:47:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2021-12-18 04:47:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2021-12-18 04:47:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-12-18 04:47:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-12-18 04:47:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-18 04:47:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-18 04:47:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-18 04:47:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-18 04:47:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 04:47:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-12-18 04:47:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-12-18 04:47:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-18 04:47:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-18 04:47:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2021-12-18 04:47:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2021-12-18 04:47:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-18 04:47:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-18 04:47:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-12-18 04:47:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-12-18 04:47:38,341 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2021-12-18 04:47:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2021-12-18 04:47:39,477 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 04:47:39,485 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 04:47:39,563 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 04:47:54,429 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 04:47:54,459 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 04:47:54,459 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 04:47:54,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:47:54 BoogieIcfgContainer [2021-12-18 04:47:54,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 04:47:54,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 04:47:54,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 04:47:54,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 04:47:54,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 04:47:30" (1/3) ... [2021-12-18 04:47:54,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c439d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:47:54, skipping insertion in model container [2021-12-18 04:47:54,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 04:47:37" (2/3) ... [2021-12-18 04:47:54,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c439d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 04:47:54, skipping insertion in model container [2021-12-18 04:47:54,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 04:47:54" (3/3) ... [2021-12-18 04:47:54,474 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 [2021-12-18 04:47:54,478 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 04:47:54,478 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 04:47:54,536 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 04:47:54,549 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-18 04:47:54,551 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 04:47:54,628 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) [2021-12-18 04:47:54,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-18 04:47:54,657 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:47:54,658 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] [2021-12-18 04:47:54,659 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:47:54,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:47:54,664 INFO L85 PathProgramCache]: Analyzing trace with hash -483038813, now seen corresponding path program 1 times [2021-12-18 04:47:54,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:47:54,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577824257] [2021-12-18 04:47:54,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:47:54,673 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:47:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:47:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:47:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:47:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:47:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:47:55,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:47:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:47:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:47:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:47:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 04:47:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 04:47:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-18 04:47:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:47:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 04:47:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 04:47:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:47:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:47:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:47:55,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 04:47:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:47:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-12-18 04:47:55,654 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:47:55,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577824257] [2021-12-18 04:47:55,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1577824257] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:47:55,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:47:55,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:47:55,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382596437] [2021-12-18 04:47:55,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:47:55,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:47:55,666 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:47:55,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:47:55,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:47:55,699 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) [2021-12-18 04:48:09,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:48:11,943 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:48:14,137 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:48:19,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:48:26,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:48:29,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:48:33,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:48:37,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:48:37,329 INFO L93 Difference]: Finished difference Result 16294 states and 24505 transitions. [2021-12-18 04:48:37,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 04:48:37,331 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 [2021-12-18 04:48:37,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:48:37,415 INFO L225 Difference]: With dead ends: 16294 [2021-12-18 04:48:37,415 INFO L226 Difference]: Without dead ends: 11308 [2021-12-18 04:48:37,447 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:48:37,450 INFO L933 BasicCegarLoop]: 7465 mSDtfsCounter, 17370 mSDsluCounter, 10873 mSDsCounter, 0 mSdLazyCounter, 8957 mSolverCounterSat, 11156 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18479 SdHoareTripleChecker+Valid, 18338 SdHoareTripleChecker+Invalid, 20120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11156 IncrementalHoareTripleChecker+Valid, 8957 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:48:37,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18479 Valid, 18338 Invalid, 20120 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11156 Valid, 8957 Invalid, 7 Unknown, 0 Unchecked, 40.5s Time] [2021-12-18 04:48:37,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11308 states. [2021-12-18 04:48:37,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11308 to 9648. [2021-12-18 04:48:37,909 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, (2338), 2307 states have call predecessors, (2338), 2338 states have call successors, (2338) [2021-12-18 04:48:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9648 states to 9648 states and 14049 transitions. [2021-12-18 04:48:37,963 INFO L78 Accepts]: Start accepts. Automaton has 9648 states and 14049 transitions. Word has length 154 [2021-12-18 04:48:37,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:48:37,964 INFO L470 AbstractCegarLoop]: Abstraction has 9648 states and 14049 transitions. [2021-12-18 04:48:37,965 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) [2021-12-18 04:48:37,965 INFO L276 IsEmpty]: Start isEmpty. Operand 9648 states and 14049 transitions. [2021-12-18 04:48:37,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-12-18 04:48:37,973 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:48:37,973 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] [2021-12-18 04:48:37,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 04:48:37,974 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:48:37,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:48:37,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1092093586, now seen corresponding path program 1 times [2021-12-18 04:48:37,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:48:37,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559991518] [2021-12-18 04:48:37,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:48:37,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:48:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:48:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:48:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:48:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:48:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:48:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:48:38,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:48:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:48:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:48:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 04:48:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 04:48:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:48:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:48:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:48:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-12-18 04:48:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:48:38,625 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2021-12-18 04:48:38,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:48:38,626 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559991518] [2021-12-18 04:48:38,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559991518] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:48:38,626 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:48:38,626 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:48:38,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571755417] [2021-12-18 04:48:38,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:48:38,629 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:48:38,629 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:48:38,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:48:38,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:48:38,630 INFO L87 Difference]: Start difference. First operand 9648 states and 14049 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) [2021-12-18 04:48:53,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:48:55,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:48:58,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:01,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:08,498 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:10,629 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:12,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:15,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:17,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:19,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:22,379 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:24,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:29,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:31,628 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:35,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:49:38,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:49:38,413 INFO L93 Difference]: Finished difference Result 31516 states and 46968 transitions. [2021-12-18 04:49:38,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 04:49:38,414 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 [2021-12-18 04:49:38,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:49:38,556 INFO L225 Difference]: With dead ends: 31516 [2021-12-18 04:49:38,557 INFO L226 Difference]: Without dead ends: 21889 [2021-12-18 04:49:38,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:49:38,612 INFO L933 BasicCegarLoop]: 8503 mSDtfsCounter, 15448 mSDsluCounter, 11408 mSDsCounter, 0 mSdLazyCounter, 9569 mSolverCounterSat, 10180 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16510 SdHoareTripleChecker+Valid, 19911 SdHoareTripleChecker+Invalid, 19763 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10180 IncrementalHoareTripleChecker+Valid, 9569 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.6s IncrementalHoareTripleChecker+Time [2021-12-18 04:49:38,612 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16510 Valid, 19911 Invalid, 19763 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10180 Valid, 9569 Invalid, 14 Unknown, 0 Unchecked, 58.6s Time] [2021-12-18 04:49:38,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21889 states. [2021-12-18 04:49:39,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21889 to 18635. [2021-12-18 04:49:39,395 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, (4511), 4435 states have call predecessors, (4511), 4507 states have call successors, (4511) [2021-12-18 04:49:39,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18635 states to 18635 states and 27107 transitions. [2021-12-18 04:49:39,480 INFO L78 Accepts]: Start accepts. Automaton has 18635 states and 27107 transitions. Word has length 140 [2021-12-18 04:49:39,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:49:39,481 INFO L470 AbstractCegarLoop]: Abstraction has 18635 states and 27107 transitions. [2021-12-18 04:49:39,482 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) [2021-12-18 04:49:39,482 INFO L276 IsEmpty]: Start isEmpty. Operand 18635 states and 27107 transitions. [2021-12-18 04:49:39,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2021-12-18 04:49:39,497 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:49:39,497 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] [2021-12-18 04:49:39,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 04:49:39,498 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:49:39,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:49:39,498 INFO L85 PathProgramCache]: Analyzing trace with hash -590618453, now seen corresponding path program 1 times [2021-12-18 04:49:39,498 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:49:39,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324599089] [2021-12-18 04:49:39,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:49:39,500 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:49:39,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:49:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:39,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:49:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:39,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:49:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:39,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:49:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:49:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:49:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:49:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:49:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:49:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 04:49:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 04:49:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-18 04:49:40,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 04:49:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 04:49:40,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-18 04:49:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-18 04:49:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 04:49:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 04:49:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-18 04:49:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 04:49:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:49:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 04:49:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:49:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 04:49:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-12-18 04:49:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 04:49:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-18 04:49:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-18 04:49:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:49:40,228 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-12-18 04:49:40,229 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:49:40,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324599089] [2021-12-18 04:49:40,229 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324599089] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:49:40,229 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:49:40,229 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:49:40,229 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518024111] [2021-12-18 04:49:40,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:49:40,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:49:40,230 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:49:40,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:49:40,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:49:40,231 INFO L87 Difference]: Start difference. First operand 18635 states and 27107 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) [2021-12-18 04:49:58,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:02,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:05,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:07,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:10,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:13,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:16,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:18,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:24,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:27,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:29,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:31,991 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:34,251 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:36,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:39,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:41,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:50:47,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:50:47,689 INFO L93 Difference]: Finished difference Result 64610 states and 97285 transitions. [2021-12-18 04:50:47,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 04:50:47,690 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 [2021-12-18 04:50:47,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:50:47,921 INFO L225 Difference]: With dead ends: 64610 [2021-12-18 04:50:47,921 INFO L226 Difference]: Without dead ends: 45996 [2021-12-18 04:50:48,007 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 [2021-12-18 04:50:48,009 INFO L933 BasicCegarLoop]: 7987 mSDtfsCounter, 15584 mSDsluCounter, 13831 mSDsCounter, 0 mSdLazyCounter, 13462 mSolverCounterSat, 9465 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16620 SdHoareTripleChecker+Valid, 21818 SdHoareTripleChecker+Invalid, 22942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9465 IncrementalHoareTripleChecker+Valid, 13462 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:50:48,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16620 Valid, 21818 Invalid, 22942 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9465 Valid, 13462 Invalid, 15 Unknown, 0 Unchecked, 65.5s Time] [2021-12-18 04:50:48,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45996 states. [2021-12-18 04:50:49,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45996 to 35880. [2021-12-18 04:50:49,300 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, (9018), 8522 states have call predecessors, (9018), 8603 states have call successors, (9018) [2021-12-18 04:50:49,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35880 states to 35880 states and 52579 transitions. [2021-12-18 04:50:49,462 INFO L78 Accepts]: Start accepts. Automaton has 35880 states and 52579 transitions. Word has length 195 [2021-12-18 04:50:49,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:50:49,463 INFO L470 AbstractCegarLoop]: Abstraction has 35880 states and 52579 transitions. [2021-12-18 04:50:49,463 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) [2021-12-18 04:50:49,463 INFO L276 IsEmpty]: Start isEmpty. Operand 35880 states and 52579 transitions. [2021-12-18 04:50:49,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-12-18 04:50:49,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:50:49,482 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] [2021-12-18 04:50:49,483 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 04:50:49,483 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:50:49,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:50:49,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1138022280, now seen corresponding path program 1 times [2021-12-18 04:50:49,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:50:49,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471548556] [2021-12-18 04:50:49,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:50:49,484 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:50:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:50:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:50:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:50:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:50:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:50:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:50:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:50:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:50:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:50:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-18 04:50:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 04:50:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-18 04:50:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-12-18 04:50:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-18 04:50:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 04:50:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 04:50:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 04:50:50,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 04:50:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 04:50:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 04:50:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-18 04:50:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-18 04:50:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:50:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-18 04:50:50,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 04:50:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:50:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 04:50:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-18 04:50:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:50:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 04:50:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:50:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 04:50:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:50:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 04:50:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-12-18 04:50:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:50:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:50:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:50:50,399 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2021-12-18 04:50:50,400 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:50:50,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471548556] [2021-12-18 04:50:50,400 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471548556] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:50:50,400 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:50:50,400 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:50:50,400 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801207892] [2021-12-18 04:50:50,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:50:50,401 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:50:50,401 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:50:50,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:50:50,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:50:50,402 INFO L87 Difference]: Start difference. First operand 35880 states and 52579 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) [2021-12-18 04:51:07,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:09,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:11,799 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:13,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:15,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:17,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:18,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:21,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:23,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:26,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:28,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:30,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:33,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:34,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:35,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:41,886 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:44,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:46,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:48,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:50,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:53,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:51:57,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:51:57,808 INFO L93 Difference]: Finished difference Result 102244 states and 151379 transitions. [2021-12-18 04:51:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 04:51:57,808 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 [2021-12-18 04:51:57,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:51:58,303 INFO L225 Difference]: With dead ends: 102244 [2021-12-18 04:51:58,304 INFO L226 Difference]: Without dead ends: 66385 [2021-12-18 04:51:58,437 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 [2021-12-18 04:51:58,440 INFO L933 BasicCegarLoop]: 9828 mSDtfsCounter, 11319 mSDsluCounter, 12644 mSDsCounter, 0 mSdLazyCounter, 9625 mSolverCounterSat, 7651 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12172 SdHoareTripleChecker+Valid, 22472 SdHoareTripleChecker+Invalid, 17290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7651 IncrementalHoareTripleChecker+Valid, 9625 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.2s IncrementalHoareTripleChecker+Time [2021-12-18 04:51:58,440 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12172 Valid, 22472 Invalid, 17290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7651 Valid, 9625 Invalid, 14 Unknown, 0 Unchecked, 65.2s Time] [2021-12-18 04:51:58,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66385 states. [2021-12-18 04:52:00,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66385 to 58105. [2021-12-18 04:52:00,930 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, (14278), 13460 states have call predecessors, (14278), 13560 states have call successors, (14278) [2021-12-18 04:52:01,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58105 states to 58105 states and 84501 transitions. [2021-12-18 04:52:01,225 INFO L78 Accepts]: Start accepts. Automaton has 58105 states and 84501 transitions. Word has length 244 [2021-12-18 04:52:01,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:52:01,225 INFO L470 AbstractCegarLoop]: Abstraction has 58105 states and 84501 transitions. [2021-12-18 04:52:01,226 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) [2021-12-18 04:52:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 58105 states and 84501 transitions. [2021-12-18 04:52:01,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-12-18 04:52:01,460 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:52:01,461 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] [2021-12-18 04:52:01,461 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 04:52:01,461 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:52:01,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:52:01,461 INFO L85 PathProgramCache]: Analyzing trace with hash -157135747, now seen corresponding path program 1 times [2021-12-18 04:52:01,461 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:52:01,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865298293] [2021-12-18 04:52:01,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:52:01,462 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:52:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:52:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:52:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:52:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:01,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:52:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:52:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:52:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:52:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:52:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:52:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 04:52:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 04:52:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 04:52:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:52:02,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 04:52:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:52:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 04:52:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 04:52:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-18 04:52:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-12-18 04:52:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-18 04:52:02,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:52:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 04:52:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-12-18 04:52:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:52:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:52:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:52:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-18 04:52:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:52:02,191 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-12-18 04:52:02,191 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:52:02,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865298293] [2021-12-18 04:52:02,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865298293] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:52:02,191 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:52:02,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:52:02,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350347307] [2021-12-18 04:52:02,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:52:02,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:52:02,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:52:02,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:52:02,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:52:02,193 INFO L87 Difference]: Start difference. First operand 58105 states and 84501 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) [2021-12-18 04:52:18,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:20,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:22,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:24,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:26,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:29,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:30,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:35,558 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:37,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:41,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:46,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:48,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:50,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:53,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:55,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:52:57,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:03,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:53:03,524 INFO L93 Difference]: Finished difference Result 157312 states and 232172 transitions. [2021-12-18 04:53:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 04:53:03,525 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 [2021-12-18 04:53:03,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:53:04,186 INFO L225 Difference]: With dead ends: 157312 [2021-12-18 04:53:04,186 INFO L226 Difference]: Without dead ends: 99239 [2021-12-18 04:53:04,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:53:04,360 INFO L933 BasicCegarLoop]: 11011 mSDtfsCounter, 11512 mSDsluCounter, 13910 mSDsCounter, 0 mSdLazyCounter, 10685 mSolverCounterSat, 6186 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12612 SdHoareTripleChecker+Valid, 24921 SdHoareTripleChecker+Invalid, 16883 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6186 IncrementalHoareTripleChecker+Valid, 10685 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.3s IncrementalHoareTripleChecker+Time [2021-12-18 04:53:04,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12612 Valid, 24921 Invalid, 16883 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6186 Valid, 10685 Invalid, 12 Unknown, 0 Unchecked, 58.3s Time] [2021-12-18 04:53:04,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99239 states. [2021-12-18 04:53:06,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99239 to 86519. [2021-12-18 04:53:07,028 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, (21167), 20038 states have call predecessors, (21167), 20200 states have call successors, (21167) [2021-12-18 04:53:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86519 states to 86519 states and 125647 transitions. [2021-12-18 04:53:07,803 INFO L78 Accepts]: Start accepts. Automaton has 86519 states and 125647 transitions. Word has length 223 [2021-12-18 04:53:07,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:53:07,803 INFO L470 AbstractCegarLoop]: Abstraction has 86519 states and 125647 transitions. [2021-12-18 04:53:07,804 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) [2021-12-18 04:53:07,804 INFO L276 IsEmpty]: Start isEmpty. Operand 86519 states and 125647 transitions. [2021-12-18 04:53:07,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-12-18 04:53:07,849 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:53:07,849 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] [2021-12-18 04:53:07,849 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 04:53:07,849 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:53:07,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:53:07,850 INFO L85 PathProgramCache]: Analyzing trace with hash -200620643, now seen corresponding path program 1 times [2021-12-18 04:53:07,850 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:53:07,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452568091] [2021-12-18 04:53:07,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:53:07,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:53:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:53:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:53:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:53:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:53:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:53:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:53:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:53:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:53:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:53:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 04:53:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 04:53:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 04:53:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:53:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 04:53:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:53:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 04:53:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 04:53:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 04:53:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-12-18 04:53:08,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-18 04:53:08,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:53:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-18 04:53:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2021-12-18 04:53:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:53:08,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:53:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:53:08,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-18 04:53:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:53:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2021-12-18 04:53:08,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:53:08,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452568091] [2021-12-18 04:53:08,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452568091] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:53:08,382 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:53:08,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 04:53:08,382 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367564326] [2021-12-18 04:53:08,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:53:08,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 04:53:08,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:53:08,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 04:53:08,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 04:53:08,383 INFO L87 Difference]: Start difference. First operand 86519 states and 125647 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) [2021-12-18 04:53:27,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:29,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:31,858 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:33,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:37,075 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:38,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:44,408 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:46,838 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:48,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:49,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:51,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:56,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:53:58,131 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:00,354 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:02,621 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:04,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:07,402 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:09,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:11,733 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:19,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:54:19,409 INFO L93 Difference]: Finished difference Result 218561 states and 322071 transitions. [2021-12-18 04:54:19,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 04:54:19,409 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 [2021-12-18 04:54:19,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:54:20,159 INFO L225 Difference]: With dead ends: 218561 [2021-12-18 04:54:20,160 INFO L226 Difference]: Without dead ends: 132074 [2021-12-18 04:54:20,529 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-18 04:54:20,530 INFO L933 BasicCegarLoop]: 12439 mSDtfsCounter, 12321 mSDsluCounter, 14836 mSDsCounter, 0 mSdLazyCounter, 11427 mSolverCounterSat, 7897 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13421 SdHoareTripleChecker+Valid, 27275 SdHoareTripleChecker+Invalid, 19338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7897 IncrementalHoareTripleChecker+Valid, 11427 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.0s IncrementalHoareTripleChecker+Time [2021-12-18 04:54:20,530 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13421 Valid, 27275 Invalid, 19338 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7897 Valid, 11427 Invalid, 14 Unknown, 0 Unchecked, 67.0s Time] [2021-12-18 04:54:20,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132074 states. [2021-12-18 04:54:23,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132074 to 114957. [2021-12-18 04:54:24,069 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, (28058), 26616 states have call predecessors, (28058), 26840 states have call successors, (28058) [2021-12-18 04:54:24,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114957 states to 114957 states and 166811 transitions. [2021-12-18 04:54:24,788 INFO L78 Accepts]: Start accepts. Automaton has 114957 states and 166811 transitions. Word has length 239 [2021-12-18 04:54:24,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:54:24,789 INFO L470 AbstractCegarLoop]: Abstraction has 114957 states and 166811 transitions. [2021-12-18 04:54:24,789 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) [2021-12-18 04:54:24,789 INFO L276 IsEmpty]: Start isEmpty. Operand 114957 states and 166811 transitions. [2021-12-18 04:54:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2021-12-18 04:54:25,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:54:25,002 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] [2021-12-18 04:54:25,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 04:54:25,003 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:54:25,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:54:25,003 INFO L85 PathProgramCache]: Analyzing trace with hash -830654934, now seen corresponding path program 1 times [2021-12-18 04:54:25,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:54:25,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864084929] [2021-12-18 04:54:25,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:54:25,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:54:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:54:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:54:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:54:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:54:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:54:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:54:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:54:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:54:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:54:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 04:54:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 04:54:25,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 04:54:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:54:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 04:54:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:54:25,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 04:54:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 04:54:25,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 04:54:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 04:54:25,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 04:54:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:54:25,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 04:54:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 04:54:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:54:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:54:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:54:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-18 04:54:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:54:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-18 04:54:25,617 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:54:25,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864084929] [2021-12-18 04:54:25,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864084929] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:54:25,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:54:25,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 04:54:25,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000490953] [2021-12-18 04:54:25,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:54:25,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 04:54:25,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:54:25,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 04:54:25,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:54:25,620 INFO L87 Difference]: Start difference. First operand 114957 states and 166811 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) [2021-12-18 04:54:43,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:45,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:47,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:49,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:51,930 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:53,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:56,007 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:54:58,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:00,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:02,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:04,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:06,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:08,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:09,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:10,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:13,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:21,682 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:23,813 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:26,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:33,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:55:33,074 INFO L93 Difference]: Finished difference Result 247650 states and 366319 transitions. [2021-12-18 04:55:33,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 04:55:33,075 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 [2021-12-18 04:55:33,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:55:34,005 INFO L225 Difference]: With dead ends: 247650 [2021-12-18 04:55:34,006 INFO L226 Difference]: Without dead ends: 132725 [2021-12-18 04:55:34,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-12-18 04:55:34,409 INFO L933 BasicCegarLoop]: 6600 mSDtfsCounter, 2129 mSDsluCounter, 29594 mSDsCounter, 0 mSdLazyCounter, 14911 mSolverCounterSat, 1518 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 59.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2547 SdHoareTripleChecker+Valid, 36194 SdHoareTripleChecker+Invalid, 16443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1518 IncrementalHoareTripleChecker+Valid, 14911 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:55:34,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2547 Valid, 36194 Invalid, 16443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1518 Valid, 14911 Invalid, 14 Unknown, 0 Unchecked, 62.9s Time] [2021-12-18 04:55:34,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132725 states. [2021-12-18 04:55:37,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132725 to 115661. [2021-12-18 04:55:38,101 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, (28250), 26744 states have call predecessors, (28250), 26968 states have call successors, (28250) [2021-12-18 04:55:38,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115661 states to 115661 states and 167931 transitions. [2021-12-18 04:55:38,837 INFO L78 Accepts]: Start accepts. Automaton has 115661 states and 167931 transitions. Word has length 253 [2021-12-18 04:55:38,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:55:38,838 INFO L470 AbstractCegarLoop]: Abstraction has 115661 states and 167931 transitions. [2021-12-18 04:55:38,839 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) [2021-12-18 04:55:38,839 INFO L276 IsEmpty]: Start isEmpty. Operand 115661 states and 167931 transitions. [2021-12-18 04:55:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2021-12-18 04:55:39,080 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:55:39,081 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] [2021-12-18 04:55:39,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 04:55:39,081 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:55:39,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:55:39,081 INFO L85 PathProgramCache]: Analyzing trace with hash -1582177965, now seen corresponding path program 1 times [2021-12-18 04:55:39,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:55:39,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130306340] [2021-12-18 04:55:39,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:55:39,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:55:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:55:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:55:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:55:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:55:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:55:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:55:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:55:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:55:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:55:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 04:55:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 04:55:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 04:55:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:55:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 04:55:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:55:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 04:55:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 04:55:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 04:55:39,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 04:55:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 04:55:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:55:39,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 04:55:39,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 04:55:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:55:39,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:55:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:55:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:55:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:55:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 04:55:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-18 04:55:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:55:39,733 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-18 04:55:39,733 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:55:39,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130306340] [2021-12-18 04:55:39,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130306340] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:55:39,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:55:39,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-18 04:55:39,734 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729329048] [2021-12-18 04:55:39,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:55:39,734 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-18 04:55:39,734 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:55:39,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-18 04:55:39,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-18 04:55:39,735 INFO L87 Difference]: Start difference. First operand 115661 states and 167931 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) [2021-12-18 04:55:55,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:55:57,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:00,139 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:03,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:05,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:07,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:14,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:16,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:19,298 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:25,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:56:25,427 INFO L93 Difference]: Finished difference Result 249861 states and 372099 transitions. [2021-12-18 04:56:25,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-18 04:56:25,427 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 [2021-12-18 04:56:25,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:56:26,451 INFO L225 Difference]: With dead ends: 249861 [2021-12-18 04:56:26,452 INFO L226 Difference]: Without dead ends: 133560 [2021-12-18 04:56:26,925 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-12-18 04:56:26,925 INFO L933 BasicCegarLoop]: 6655 mSDtfsCounter, 5490 mSDsluCounter, 21772 mSDsCounter, 0 mSdLazyCounter, 10771 mSolverCounterSat, 4951 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5909 SdHoareTripleChecker+Valid, 28427 SdHoareTripleChecker+Invalid, 15729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4951 IncrementalHoareTripleChecker+Valid, 10771 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.0s IncrementalHoareTripleChecker+Time [2021-12-18 04:56:26,925 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5909 Valid, 28427 Invalid, 15729 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4951 Valid, 10771 Invalid, 7 Unknown, 0 Unchecked, 41.0s Time] [2021-12-18 04:56:27,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133560 states. [2021-12-18 04:56:30,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133560 to 116461. [2021-12-18 04:56:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116461 states, 83070 states have (on average 1.3676056338028169) internal successors, (113607), 84691 states have internal predecessors, (113607), 27130 states have call successors, (27130), 5977 states have call predecessors, (27130), 6260 states have return successors, (28506), 26904 states have call predecessors, (28506), 27128 states have call successors, (28506) [2021-12-18 04:56:31,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116461 states to 116461 states and 169243 transitions. [2021-12-18 04:56:31,825 INFO L78 Accepts]: Start accepts. Automaton has 116461 states and 169243 transitions. Word has length 258 [2021-12-18 04:56:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:56:31,826 INFO L470 AbstractCegarLoop]: Abstraction has 116461 states and 169243 transitions. [2021-12-18 04:56:31,826 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) [2021-12-18 04:56:31,826 INFO L276 IsEmpty]: Start isEmpty. Operand 116461 states and 169243 transitions. [2021-12-18 04:56:31,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2021-12-18 04:56:31,920 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:56:31,920 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] [2021-12-18 04:56:31,920 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 04:56:31,920 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:56:31,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:56:31,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1753258507, now seen corresponding path program 1 times [2021-12-18 04:56:31,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:56:31,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811828028] [2021-12-18 04:56:31,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:56:31,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:56:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:56:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:56:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:56:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:56:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:56:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:56:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:56:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:56:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:56:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 04:56:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 04:56:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 04:56:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:56:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 04:56:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:56:32,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 04:56:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 04:56:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 04:56:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 04:56:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 04:56:32,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:56:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 04:56:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 04:56:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:56:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:56:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:56:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 04:56:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:56:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-18 04:56:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-12-18 04:56:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:56:32,957 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-18 04:56:32,957 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:56:32,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811828028] [2021-12-18 04:56:32,958 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811828028] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:56:32,958 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:56:32,958 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 04:56:32,958 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764406006] [2021-12-18 04:56:32,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:56:32,959 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 04:56:32,959 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:56:32,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 04:56:32,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:56:32,960 INFO L87 Difference]: Start difference. First operand 116461 states and 169243 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) [2021-12-18 04:56:53,295 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:55,316 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:56:57,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:00,280 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:02,288 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:04,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:06,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:08,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:10,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:12,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:14,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:16,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:18,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:21,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:22,756 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:24,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:32,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:57:40,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:57:40,895 INFO L93 Difference]: Finished difference Result 252261 states and 376035 transitions. [2021-12-18 04:57:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-18 04:57:40,895 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 [2021-12-18 04:57:40,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:57:41,892 INFO L225 Difference]: With dead ends: 252261 [2021-12-18 04:57:41,892 INFO L226 Difference]: Without dead ends: 135080 [2021-12-18 04:57:42,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2021-12-18 04:57:42,410 INFO L933 BasicCegarLoop]: 6635 mSDtfsCounter, 2102 mSDsluCounter, 35263 mSDsCounter, 0 mSdLazyCounter, 16936 mSolverCounterSat, 1504 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2519 SdHoareTripleChecker+Valid, 41898 SdHoareTripleChecker+Invalid, 18453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1504 IncrementalHoareTripleChecker+Valid, 16936 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.9s IncrementalHoareTripleChecker+Time [2021-12-18 04:57:42,411 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2519 Valid, 41898 Invalid, 18453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1504 Valid, 16936 Invalid, 13 Unknown, 0 Unchecked, 62.9s Time] [2021-12-18 04:57:42,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135080 states. [2021-12-18 04:57:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135080 to 117837. [2021-12-18 04:57:46,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117837 states, 84126 states have (on average 1.370789054513468) internal successors, (115319), 85747 states have internal predecessors, (115319), 27386 states have call successors, (27386), 6041 states have call predecessors, (27386), 6324 states have return successors, (28906), 27160 states have call predecessors, (28906), 27384 states have call successors, (28906) [2021-12-18 04:57:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117837 states to 117837 states and 171611 transitions. [2021-12-18 04:57:47,105 INFO L78 Accepts]: Start accepts. Automaton has 117837 states and 171611 transitions. Word has length 259 [2021-12-18 04:57:47,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:57:47,106 INFO L470 AbstractCegarLoop]: Abstraction has 117837 states and 171611 transitions. [2021-12-18 04:57:47,106 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) [2021-12-18 04:57:47,107 INFO L276 IsEmpty]: Start isEmpty. Operand 117837 states and 171611 transitions. [2021-12-18 04:57:47,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2021-12-18 04:57:47,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:57:47,180 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] [2021-12-18 04:57:47,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 04:57:47,180 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:57:47,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:57:47,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1034842072, now seen corresponding path program 1 times [2021-12-18 04:57:47,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:57:47,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97652022] [2021-12-18 04:57:47,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:57:47,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:57:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:57:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:57:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:57:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:57:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:57:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:57:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:57:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:57:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:57:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 04:57:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 04:57:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 04:57:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:57:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 04:57:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:57:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 04:57:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 04:57:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 04:57:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 04:57:47,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 04:57:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:57:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 04:57:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 04:57:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:57:47,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:57:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:57:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 04:57:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:57:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-18 04:57:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2021-12-18 04:57:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:57:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-18 04:57:48,004 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:57:48,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97652022] [2021-12-18 04:57:48,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97652022] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:57:48,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:57:48,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 04:57:48,004 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159769209] [2021-12-18 04:57:48,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:57:48,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 04:57:48,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:57:48,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 04:57:48,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:57:48,007 INFO L87 Difference]: Start difference. First operand 117837 states and 171611 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) [2021-12-18 04:58:06,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:08,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:11,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:13,254 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:15,275 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:17,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:19,319 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:20,935 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:22,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:23,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:25,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:27,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:29,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:35,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:37,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:58:44,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:58:44,734 INFO L93 Difference]: Finished difference Result 256415 states and 383064 transitions. [2021-12-18 04:58:44,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 04:58:44,735 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 [2021-12-18 04:58:44,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:58:45,498 INFO L225 Difference]: With dead ends: 256415 [2021-12-18 04:58:45,498 INFO L226 Difference]: Without dead ends: 138196 [2021-12-18 04:58:46,081 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-12-18 04:58:46,082 INFO L933 BasicCegarLoop]: 6628 mSDtfsCounter, 5516 mSDsluCounter, 27282 mSDsCounter, 0 mSdLazyCounter, 12719 mSolverCounterSat, 4946 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5933 SdHoareTripleChecker+Valid, 33910 SdHoareTripleChecker+Invalid, 17674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4946 IncrementalHoareTripleChecker+Valid, 12719 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.4s IncrementalHoareTripleChecker+Time [2021-12-18 04:58:46,082 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5933 Valid, 33910 Invalid, 17674 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4946 Valid, 12719 Invalid, 9 Unknown, 0 Unchecked, 51.4s Time] [2021-12-18 04:58:46,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138196 states. [2021-12-18 04:58:49,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138196 to 120988. [2021-12-18 04:58:49,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120988 states, 86543 states have (on average 1.3774308725142415) internal successors, (119207), 88164 states have internal predecessors, (119207), 27950 states have call successors, (27950), 6211 states have call predecessors, (27950), 6494 states have return successors, (29822), 27724 states have call predecessors, (29822), 27948 states have call successors, (29822) [2021-12-18 04:58:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120988 states to 120988 states and 176979 transitions. [2021-12-18 04:58:50,670 INFO L78 Accepts]: Start accepts. Automaton has 120988 states and 176979 transitions. Word has length 260 [2021-12-18 04:58:50,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 04:58:50,671 INFO L470 AbstractCegarLoop]: Abstraction has 120988 states and 176979 transitions. [2021-12-18 04:58:50,671 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) [2021-12-18 04:58:50,671 INFO L276 IsEmpty]: Start isEmpty. Operand 120988 states and 176979 transitions. [2021-12-18 04:58:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-12-18 04:58:50,758 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 04:58:50,758 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] [2021-12-18 04:58:50,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 04:58:50,758 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 04:58:50,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 04:58:50,759 INFO L85 PathProgramCache]: Analyzing trace with hash -798962896, now seen corresponding path program 1 times [2021-12-18 04:58:50,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 04:58:50,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28932915] [2021-12-18 04:58:50,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 04:58:50,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 04:58:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 04:58:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 04:58:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:58:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 04:58:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 04:58:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 04:58:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 04:58:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 04:58:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 04:58:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 04:58:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 04:58:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 04:58:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 04:58:51,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 04:58:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 04:58:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 04:58:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 04:58:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 04:58:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 04:58:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 04:58:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:58:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 04:58:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 04:58:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:58:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:58:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:58:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-18 04:58:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 04:58:51,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 04:58:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 04:58:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 04:58:51,623 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-18 04:58:51,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 04:58:51,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28932915] [2021-12-18 04:58:51,624 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28932915] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 04:58:51,624 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 04:58:51,624 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 04:58:51,624 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724022494] [2021-12-18 04:58:51,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 04:58:51,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 04:58:51,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 04:58:51,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 04:58:51,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 04:58:51,627 INFO L87 Difference]: Start difference. First operand 120988 states and 176979 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) [2021-12-18 04:59:09,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:11,609 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:14,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:17,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:19,652 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:22,092 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:23,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:24,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:34,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:36,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:39,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:41,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:44,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:46,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 04:59:53,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 04:59:53,820 INFO L93 Difference]: Finished difference Result 265858 states and 398056 transitions. [2021-12-18 04:59:53,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 04:59:53,821 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 261 [2021-12-18 04:59:53,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 04:59:54,822 INFO L225 Difference]: With dead ends: 265858 [2021-12-18 04:59:54,823 INFO L226 Difference]: Without dead ends: 144228 [2021-12-18 04:59:55,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2021-12-18 04:59:55,501 INFO L933 BasicCegarLoop]: 6612 mSDtfsCounter, 5513 mSDsluCounter, 32782 mSDsCounter, 0 mSdLazyCounter, 14654 mSolverCounterSat, 4949 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5930 SdHoareTripleChecker+Valid, 39394 SdHoareTripleChecker+Invalid, 19613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4949 IncrementalHoareTripleChecker+Valid, 14654 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.5s IncrementalHoareTripleChecker+Time [2021-12-18 04:59:55,501 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5930 Valid, 39394 Invalid, 19613 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4949 Valid, 14654 Invalid, 10 Unknown, 0 Unchecked, 56.5s Time] [2021-12-18 04:59:55,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144228 states. [2021-12-18 04:59:59,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144228 to 126972. [2021-12-18 04:59:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126972 states, 91135 states have (on average 1.38934547649092) internal successors, (126618), 92756 states have internal predecessors, (126618), 29038 states have call successors, (29038), 6515 states have call predecessors, (29038), 6798 states have return successors, (31710), 28812 states have call predecessors, (31710), 29036 states have call successors, (31710) [2021-12-18 05:00:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126972 states to 126972 states and 187366 transitions. [2021-12-18 05:00:00,501 INFO L78 Accepts]: Start accepts. Automaton has 126972 states and 187366 transitions. Word has length 261 [2021-12-18 05:00:00,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:00:00,502 INFO L470 AbstractCegarLoop]: Abstraction has 126972 states and 187366 transitions. [2021-12-18 05:00:00,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-18 05:00:00,502 INFO L276 IsEmpty]: Start isEmpty. Operand 126972 states and 187366 transitions. [2021-12-18 05:00:00,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-12-18 05:00:00,596 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:00:00,596 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, 1] [2021-12-18 05:00:00,596 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 05:00:00,597 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:00:00,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:00:00,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1444893277, now seen corresponding path program 1 times [2021-12-18 05:00:00,597 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:00:00,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656134504] [2021-12-18 05:00:00,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:00:00,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:00:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:00:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-18 05:00:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 05:00:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-18 05:00:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-18 05:00:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-18 05:00:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-18 05:00:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-18 05:00:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-18 05:00:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-18 05:00:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 05:00:01,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 05:00:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-18 05:00:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-18 05:00:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-18 05:00:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-18 05:00:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-12-18 05:00:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 05:00:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-12-18 05:00:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:00:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:00:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-12-18 05:00:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-18 05:00:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:00:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:00:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:00:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:00:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:00:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 05:00:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-18 05:00:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:00:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2021-12-18 05:00:01,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:00:01,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656134504] [2021-12-18 05:00:01,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656134504] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:00:01,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:00:01,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-18 05:00:01,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347216216] [2021-12-18 05:00:01,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:00:01,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-18 05:00:01,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:00:01,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-18 05:00:01,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-18 05:00:01,373 INFO L87 Difference]: Start difference. First operand 126972 states and 187366 transitions. Second operand has 10 states, 9 states have (on average 13.88888888888889) internal successors, (125), 7 states have internal predecessors, (125), 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) [2021-12-18 05:00:21,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:23,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:26,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:28,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:30,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:32,927 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:00:39,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15