./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.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 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:15:19,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:15:19,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:15:19,646 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:15:19,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:15:19,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:15:19,654 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:15:19,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:15:19,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:15:19,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:15:19,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:15:19,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:15:19,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:15:19,668 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:15:19,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:15:19,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:15:19,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:15:19,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:15:19,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:15:19,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:15:19,684 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:15:19,685 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:15:19,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:15:19,687 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:15:19,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:15:19,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:15:19,692 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:15:19,692 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:15:19,694 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:15:19,694 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:15:19,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:15:19,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:15:19,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:15:19,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:15:19,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:15:19,699 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:15:19,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:15:19,700 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:15:19,700 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:15:19,700 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:15:19,701 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:15:19,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:15:19,713 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:15:19,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:15:19,746 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:15:19,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:15:19,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:15:19,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:15:19,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:15:19,748 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:15:19,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:15:19,748 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:15:19,749 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:15:19,749 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:15:19,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:15:19,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:15:19,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:15:19,750 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:15:19,750 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:15:19,751 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:15:19,751 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:15:19,751 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:15:19,751 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:15:19,751 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:15:19,752 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:15:19,752 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:15:19,752 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:15:19,752 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:15:19,752 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:15:19,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:15:19,753 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:15:19,753 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:15:19,753 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:15:19,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2022-07-20 00:15:19,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:15:19,993 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:15:19,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:15:19,996 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:15:19,997 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:15:19,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2022-07-20 00:15:20,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb59a5a2/98cd38f21ce94dbcb13f60ebb50dab01/FLAG9956de532 [2022-07-20 00:15:20,977 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:15:20,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2022-07-20 00:15:21,042 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb59a5a2/98cd38f21ce94dbcb13f60ebb50dab01/FLAG9956de532 [2022-07-20 00:15:21,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eb59a5a2/98cd38f21ce94dbcb13f60ebb50dab01 [2022-07-20 00:15:21,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:15:21,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:15:21,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:15:21,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:15:21,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:15:21,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:15:21" (1/1) ... [2022-07-20 00:15:21,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d515cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:21, skipping insertion in model container [2022-07-20 00:15:21,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:15:21" (1/1) ... [2022-07-20 00:15:21,104 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:15:21,236 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:15:24,434 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2022-07-20 00:15:24,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:15:24,574 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:15:25,013 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i[354644,354657] [2022-07-20 00:15:25,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:15:25,136 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:15:25,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25 WrapperNode [2022-07-20 00:15:25,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:15:25,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:15:25,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:15:25,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:15:25,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,238 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,419 INFO L137 Inliner]: procedures = 371, calls = 4454, calls flagged for inlining = 165, calls inlined = 164, statements flattened = 10074 [2022-07-20 00:15:25,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:15:25,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:15:25,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:15:25,422 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:15:25,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,772 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,875 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:15:25,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:15:25,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:15:25,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:15:25,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (1/1) ... [2022-07-20 00:15:25,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:15:25,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:15:25,906 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 00:15:25,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 00:15:25,966 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:15:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:15:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2022-07-20 00:15:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2022-07-20 00:15:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2022-07-20 00:15:25,967 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2022-07-20 00:15:25,967 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2022-07-20 00:15:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2022-07-20 00:15:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2022-07-20 00:15:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2022-07-20 00:15:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-20 00:15:25,968 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-20 00:15:25,968 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2022-07-20 00:15:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2022-07-20 00:15:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-07-20 00:15:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-07-20 00:15:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:15:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:15:25,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:15:25,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:15:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:15:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:15:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2022-07-20 00:15:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2022-07-20 00:15:25,970 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2022-07-20 00:15:25,970 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2022-07-20 00:15:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2022-07-20 00:15:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2022-07-20 00:15:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2022-07-20 00:15:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2022-07-20 00:15:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2022-07-20 00:15:25,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2022-07-20 00:15:25,971 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-07-20 00:15:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-07-20 00:15:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2022-07-20 00:15:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2022-07-20 00:15:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-20 00:15:25,972 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-20 00:15:25,972 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2022-07-20 00:15:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2022-07-20 00:15:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:15:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:15:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2022-07-20 00:15:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2022-07-20 00:15:25,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-20 00:15:25,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-20 00:15:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2022-07-20 00:15:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2022-07-20 00:15:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2022-07-20 00:15:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2022-07-20 00:15:25,974 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2022-07-20 00:15:25,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2022-07-20 00:15:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:15:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:15:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:15:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:15:25,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:15:25,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:15:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2022-07-20 00:15:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2022-07-20 00:15:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2022-07-20 00:15:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2022-07-20 00:15:25,976 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2022-07-20 00:15:25,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2022-07-20 00:15:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-07-20 00:15:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-07-20 00:15:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2022-07-20 00:15:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2022-07-20 00:15:25,977 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 00:15:25,977 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 00:15:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2022-07-20 00:15:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2022-07-20 00:15:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:15:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:15:25,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:15:25,978 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:15:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:15:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:15:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2022-07-20 00:15:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2022-07-20 00:15:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2022-07-20 00:15:25,979 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2022-07-20 00:15:25,979 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:15:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:15:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2022-07-20 00:15:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2022-07-20 00:15:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2022-07-20 00:15:25,980 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2022-07-20 00:15:25,980 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-07-20 00:15:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-07-20 00:15:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 00:15:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 00:15:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2022-07-20 00:15:25,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2022-07-20 00:15:25,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:15:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:15:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:15:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2022-07-20 00:15:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2022-07-20 00:15:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 00:15:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2022-07-20 00:15:25,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2022-07-20 00:15:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2022-07-20 00:15:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2022-07-20 00:15:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2022-07-20 00:15:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2022-07-20 00:15:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2022-07-20 00:15:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2022-07-20 00:15:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2022-07-20 00:15:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2022-07-20 00:15:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:15:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2022-07-20 00:15:25,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2022-07-20 00:15:25,984 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 00:15:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 00:15:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 00:15:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-07-20 00:15:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-07-20 00:15:25,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:15:25,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:15:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2022-07-20 00:15:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2022-07-20 00:15:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-20 00:15:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-20 00:15:25,986 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2022-07-20 00:15:25,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2022-07-20 00:15:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-20 00:15:25,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-20 00:15:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:15:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:15:25,987 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-20 00:15:25,987 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-20 00:15:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2022-07-20 00:15:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2022-07-20 00:15:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2022-07-20 00:15:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2022-07-20 00:15:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2022-07-20 00:15:25,988 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2022-07-20 00:15:25,988 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-20 00:15:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-20 00:15:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 00:15:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 00:15:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-07-20 00:15:25,989 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-07-20 00:15:25,989 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 00:15:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 00:15:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:15:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:15:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-07-20 00:15:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-07-20 00:15:25,990 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 00:15:25,990 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 00:15:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-07-20 00:15:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-07-20 00:15:25,991 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 00:15:25,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 00:15:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2022-07-20 00:15:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2022-07-20 00:15:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 00:15:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 00:15:25,992 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2022-07-20 00:15:25,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2022-07-20 00:15:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2022-07-20 00:15:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2022-07-20 00:15:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:15:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-20 00:15:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-20 00:15:25,993 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2022-07-20 00:15:25,993 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2022-07-20 00:15:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 00:15:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 00:15:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:15:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2022-07-20 00:15:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2022-07-20 00:15:25,994 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2022-07-20 00:15:25,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2022-07-20 00:15:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2022-07-20 00:15:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2022-07-20 00:15:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-20 00:15:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-20 00:15:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:15:25,995 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2022-07-20 00:15:25,995 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2022-07-20 00:15:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:15:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:15:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2022-07-20 00:15:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2022-07-20 00:15:25,996 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2022-07-20 00:15:25,996 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2022-07-20 00:15:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-20 00:15:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-20 00:15:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2022-07-20 00:15:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2022-07-20 00:15:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:15:25,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:15:25,997 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 00:15:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 00:15:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2022-07-20 00:15:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2022-07-20 00:15:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-07-20 00:15:25,998 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-07-20 00:15:25,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:15:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-20 00:15:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-20 00:15:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-07-20 00:15:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-07-20 00:15:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-07-20 00:15:25,999 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-07-20 00:15:25,999 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-20 00:15:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-20 00:15:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-20 00:15:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-20 00:15:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:15:26,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:15:26,000 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-20 00:15:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-20 00:15:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:15:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:15:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:15:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2022-07-20 00:15:26,001 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2022-07-20 00:15:26,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:15:26,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:15:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-20 00:15:26,002 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-20 00:15:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:15:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2022-07-20 00:15:26,002 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2022-07-20 00:15:26,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-20 00:15:26,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-20 00:15:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:15:26,003 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:15:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-20 00:15:26,003 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-20 00:15:26,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:15:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2022-07-20 00:15:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2022-07-20 00:15:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-20 00:15:26,004 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-20 00:15:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 00:15:26,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:15:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:15:26,005 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-07-20 00:15:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-07-20 00:15:26,005 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-20 00:15:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-20 00:15:26,005 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2022-07-20 00:15:26,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2022-07-20 00:15:26,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:15:26,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-20 00:15:26,006 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2022-07-20 00:15:26,006 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2022-07-20 00:15:26,006 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2022-07-20 00:15:26,006 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2022-07-20 00:15:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2022-07-20 00:15:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2022-07-20 00:15:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 00:15:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 00:15:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2022-07-20 00:15:26,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2022-07-20 00:15:26,007 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 00:15:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 00:15:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2022-07-20 00:15:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2022-07-20 00:15:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-07-20 00:15:26,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-07-20 00:15:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-20 00:15:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-20 00:15:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2022-07-20 00:15:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2022-07-20 00:15:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 00:15:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 00:15:26,009 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2022-07-20 00:15:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2022-07-20 00:15:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-20 00:15:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-20 00:15:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2022-07-20 00:15:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2022-07-20 00:15:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2022-07-20 00:15:26,010 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2022-07-20 00:15:26,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:15:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:15:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-07-20 00:15:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-07-20 00:15:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:15:26,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:15:26,011 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-07-20 00:15:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-07-20 00:15:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2022-07-20 00:15:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2022-07-20 00:15:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:15:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:15:26,012 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2022-07-20 00:15:26,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2022-07-20 00:15:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 00:15:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 00:15:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2022-07-20 00:15:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2022-07-20 00:15:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2022-07-20 00:15:26,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2022-07-20 00:15:26,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:15:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2022-07-20 00:15:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2022-07-20 00:15:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2022-07-20 00:15:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2022-07-20 00:15:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:15:26,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:15:26,014 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-20 00:15:26,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-20 00:15:26,015 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:15:26,015 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:15:27,112 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:15:27,115 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:15:27,796 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:15:54,648 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:15:54,680 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:15:54,681 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:15:54,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:15:54 BoogieIcfgContainer [2022-07-20 00:15:54,687 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:15:54,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:15:54,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:15:54,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:15:54,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:15:21" (1/3) ... [2022-07-20 00:15:54,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a0d10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:15:54, skipping insertion in model container [2022-07-20 00:15:54,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:15:25" (2/3) ... [2022-07-20 00:15:54,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59a0d10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:15:54, skipping insertion in model container [2022-07-20 00:15:54,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:15:54" (3/3) ... [2022-07-20 00:15:54,696 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2022-07-20 00:15:54,707 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:15:54,708 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:15:54,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:15:54,806 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6f8e302e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5312f83f [2022-07-20 00:15:54,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:15:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 3013 states, 1994 states have (on average 1.3655967903711133) internal successors, (2723), 2070 states have internal predecessors, (2723), 872 states have call successors, (872), 146 states have call predecessors, (872), 145 states have return successors, (863), 857 states have call predecessors, (863), 863 states have call successors, (863) [2022-07-20 00:15:54,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-07-20 00:15:54,840 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:15:54,841 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:15:54,842 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:15:54,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:15:54,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1949981213, now seen corresponding path program 1 times [2022-07-20 00:15:54,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:15:54,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293333808] [2022-07-20 00:15:54,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:15:54,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:15:55,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:15:55,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:15:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:15:55,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:15:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:55,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:15:55,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:55,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:15:55,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:15:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:15:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:15:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:15:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:15:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:15:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:15:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:15:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:15:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:15:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 00:15:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:15:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:15:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 00:15:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 00:15:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:15:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 00:15:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-20 00:15:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-20 00:15:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-20 00:15:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-20 00:15:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 00:15:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 00:15:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:15:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:15:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2022-07-20 00:15:56,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:15:56,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293333808] [2022-07-20 00:15:56,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293333808] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:15:56,836 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:15:56,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:15:56,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204563661] [2022-07-20 00:15:56,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:15:56,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:15:56,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:15:56,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:15:56,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:15:56,898 INFO L87 Difference]: Start difference. First operand has 3013 states, 1994 states have (on average 1.3655967903711133) internal successors, (2723), 2070 states have internal predecessors, (2723), 872 states have call successors, (872), 146 states have call predecessors, (872), 145 states have return successors, (863), 857 states have call predecessors, (863), 863 states have call successors, (863) Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:16:01,289 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:05,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:07,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:11,490 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:14,723 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:16,757 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:21,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:23,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:25,905 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:27,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:29,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:33,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:35,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:37,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:42,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:16:44,401 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 [] [2022-07-20 00:16:48,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:16:48,256 INFO L93 Difference]: Finished difference Result 6677 states and 10534 transitions. [2022-07-20 00:16:48,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:16:48,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 417 [2022-07-20 00:16:48,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:16:48,327 INFO L225 Difference]: With dead ends: 6677 [2022-07-20 00:16:48,327 INFO L226 Difference]: Without dead ends: 3653 [2022-07-20 00:16:48,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:16:48,356 INFO L413 NwaCegarLoop]: 4479 mSDtfsCounter, 2540 mSDsluCounter, 3487 mSDsCounter, 0 mSdLazyCounter, 3475 mSolverCounterSat, 2592 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2712 SdHoareTripleChecker+Valid, 7966 SdHoareTripleChecker+Invalid, 6080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2592 IncrementalHoareTripleChecker+Valid, 3475 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:16:48,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2712 Valid, 7966 Invalid, 6080 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2592 Valid, 3475 Invalid, 13 Unknown, 0 Unchecked, 50.7s Time] [2022-07-20 00:16:48,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3653 states. [2022-07-20 00:16:48,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3653 to 2997. [2022-07-20 00:16:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2997 states, 1989 states have (on average 1.357968828557064) internal successors, (2701), 2054 states have internal predecessors, (2701), 863 states have call successors, (863), 145 states have call predecessors, (863), 144 states have return successors, (861), 855 states have call predecessors, (861), 861 states have call successors, (861) [2022-07-20 00:16:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4425 transitions. [2022-07-20 00:16:48,692 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4425 transitions. Word has length 417 [2022-07-20 00:16:48,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:16:48,694 INFO L495 AbstractCegarLoop]: Abstraction has 2997 states and 4425 transitions. [2022-07-20 00:16:48,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:16:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4425 transitions. [2022-07-20 00:16:48,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-07-20 00:16:48,710 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:16:48,711 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:16:48,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:16:48,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:16:48,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:16:48,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1187557121, now seen corresponding path program 1 times [2022-07-20 00:16:48,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:16:48,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336567068] [2022-07-20 00:16:48,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:16:48,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:16:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:16:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:16:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:16:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:16:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:16:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:16:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:16:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:16:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:16:49,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:16:49,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:16:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:16:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:49,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:16:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:16:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:16:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:16:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 00:16:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:16:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 00:16:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 00:16:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:16:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 00:16:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-20 00:16:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-20 00:16:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-20 00:16:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-20 00:16:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 00:16:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 00:16:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2022-07-20 00:16:50,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:16:50,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336567068] [2022-07-20 00:16:50,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336567068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:16:50,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:16:50,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:16:50,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977354736] [2022-07-20 00:16:50,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:16:50,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:16:50,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:16:50,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:16:50,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:16:50,615 INFO L87 Difference]: Start difference. First operand 2997 states and 4425 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:17:01,658 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 [] [2022-07-20 00:17:07,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:09,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:14,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:20,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:22,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:24,484 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:26,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:28,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:33,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:37,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:39,885 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:44,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:46,640 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:52,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:54,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:56,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:05,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:11,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:13,530 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 [] [2022-07-20 00:18:21,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:18:21,063 INFO L93 Difference]: Finished difference Result 10163 states and 15979 transitions. [2022-07-20 00:18:21,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:18:21,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 417 [2022-07-20 00:18:21,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:18:21,109 INFO L225 Difference]: With dead ends: 10163 [2022-07-20 00:18:21,109 INFO L226 Difference]: Without dead ends: 7210 [2022-07-20 00:18:21,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:18:21,132 INFO L413 NwaCegarLoop]: 5270 mSDtfsCounter, 7386 mSDsluCounter, 8927 mSDsCounter, 0 mSdLazyCounter, 8990 mSolverCounterSat, 5331 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8042 SdHoareTripleChecker+Valid, 14197 SdHoareTripleChecker+Invalid, 14338 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 5331 IncrementalHoareTripleChecker+Valid, 8990 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 89.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:18:21,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8042 Valid, 14197 Invalid, 14338 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [5331 Valid, 8990 Invalid, 17 Unknown, 0 Unchecked, 89.1s Time] [2022-07-20 00:18:21,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7210 states. [2022-07-20 00:18:21,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7210 to 6364. [2022-07-20 00:18:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6364 states, 4249 states have (on average 1.3577312308778535) internal successors, (5769), 4374 states have internal predecessors, (5769), 1790 states have call successors, (1790), 286 states have call predecessors, (1790), 324 states have return successors, (2043), 1824 states have call predecessors, (2043), 1788 states have call successors, (2043) [2022-07-20 00:18:21,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6364 states to 6364 states and 9602 transitions. [2022-07-20 00:18:21,422 INFO L78 Accepts]: Start accepts. Automaton has 6364 states and 9602 transitions. Word has length 417 [2022-07-20 00:18:21,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:18:21,425 INFO L495 AbstractCegarLoop]: Abstraction has 6364 states and 9602 transitions. [2022-07-20 00:18:21,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:18:21,426 INFO L276 IsEmpty]: Start isEmpty. Operand 6364 states and 9602 transitions. [2022-07-20 00:18:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-20 00:18:21,433 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:18:21,433 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 11, 11, 11, 11, 11, 11, 11, 11, 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] [2022-07-20 00:18:21,434 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:18:21,434 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:18:21,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:18:21,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1323101294, now seen corresponding path program 1 times [2022-07-20 00:18:21,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:18:21,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805430985] [2022-07-20 00:18:21,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:18:21,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:18:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:18:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:18:21,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:21,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:18:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:18:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:18:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:18:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:18:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:18:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:21,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:18:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 00:18:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:22,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 00:18:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-20 00:18:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-20 00:18:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-20 00:18:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 00:18:22,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-20 00:18:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 00:18:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-20 00:18:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-20 00:18:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-20 00:18:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 00:18:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 00:18:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-20 00:18:22,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-20 00:18:22,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-20 00:18:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-20 00:18:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-20 00:18:22,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-20 00:18:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-20 00:18:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-20 00:18:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-20 00:18:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:22,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2022-07-20 00:18:22,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:18:22,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805430985] [2022-07-20 00:18:22,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805430985] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:18:22,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:18:22,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:18:22,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036236949] [2022-07-20 00:18:22,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:18:22,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:18:22,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:18:22,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:18:22,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:18:22,519 INFO L87 Difference]: Start difference. First operand 6364 states and 9602 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-20 00:18:29,583 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 [] [2022-07-20 00:18:31,623 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:33,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:35,793 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:38,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:40,218 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:44,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:46,676 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:48,720 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:54,614 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:56,632 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:59,230 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:01,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:03,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:07,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:09,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:11,450 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:13,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:15,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:22,732 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:23,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:28,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:31,176 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []