./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 791161d1 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-?-791161d [2022-07-23 00:28:54,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:28:54,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:28:54,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:28:54,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:28:54,883 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:28:54,885 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:28:54,887 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:28:54,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:28:54,891 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:28:54,892 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:28:54,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:28:54,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:28:54,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:28:54,896 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:28:54,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:28:54,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:28:54,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:28:54,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:28:54,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:28:54,906 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:28:54,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:28:54,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:28:54,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:28:54,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:28:54,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:28:54,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:28:54,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:28:54,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:28:54,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:28:54,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:28:54,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:28:54,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:28:54,919 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:28:54,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:28:54,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:28:54,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:28:54,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:28:54,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:28:54,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:28:54,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:28:54,923 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:28:54,924 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:28:54,945 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:28:54,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:28:54,945 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:28:54,945 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:28:54,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:28:54,946 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:28:54,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:28:54,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:28:54,947 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:28:54,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:28:54,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:28:54,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:28:54,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:28:54,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:28:54,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:28:54,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:28:54,948 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:28:54,948 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:28:54,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:28:54,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:28:54,949 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:28:54,949 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:28:54,949 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:28:54,949 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:28:54,949 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:28:54,950 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:28:54,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:28:54,950 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:28:54,950 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:28:54,950 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:28:54,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9be531e7af87cba73be4f8246e93f3d32963d00e421fc44d0f45559eac1d9e7a [2022-07-23 00:28:55,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:28:55,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:28:55,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:28:55,157 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:28:55,158 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:28:55,158 INFO L432 ainManager$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 [2022-07-23 00:28:55,197 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d1b20e2/7f0ab583ab97411b847549fdd9f22399/FLAG0e0b43a88 [2022-07-23 00:28:55,834 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:28:55,835 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 [2022-07-23 00:28:55,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d1b20e2/7f0ab583ab97411b847549fdd9f22399/FLAG0e0b43a88 [2022-07-23 00:28:56,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05d1b20e2/7f0ab583ab97411b847549fdd9f22399 [2022-07-23 00:28:56,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:28:56,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:28:56,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:28:56,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:28:56,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:28:56,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:28:56" (1/1) ... [2022-07-23 00:28:56,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a4ee48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:56, skipping insertion in model container [2022-07-23 00:28:56,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:28:56" (1/1) ... [2022-07-23 00:28:56,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:28:56,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:28:57,820 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] [2022-07-23 00:28:57,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:28:57,906 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:28:58,270 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] [2022-07-23 00:28:58,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:28:58,395 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:28:58,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58 WrapperNode [2022-07-23 00:28:58,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:28:58,397 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:28:58,397 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:28:58,398 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:28:58,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:58,497 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:58,685 INFO L137 Inliner]: procedures = 371, calls = 4454, calls flagged for inlining = 165, calls inlined = 164, statements flattened = 10074 [2022-07-23 00:28:58,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:28:58,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:28:58,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:28:58,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:28:58,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:58,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:58,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:58,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:58,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:58,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:58,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:59,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:28:59,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:28:59,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:28:59,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:28:59,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (1/1) ... [2022-07-23 00:28:59,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:28:59,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:28:59,065 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) [2022-07-23 00:28:59,170 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 [2022-07-23 00:28:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 00:28:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 00:28:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_open [2022-07-23 00:28:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_open [2022-07-23 00:28:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_write [2022-07-23 00:28:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_write [2022-07-23 00:28:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_close [2022-07-23 00:28:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_close [2022-07-23 00:28:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_qp [2022-07-23 00:28:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_qp [2022-07-23 00:28:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-07-23 00:28:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-07-23 00:28:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure fdget [2022-07-23 00:28:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure fdget [2022-07-23 00:28:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-07-23 00:28:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-07-23 00:28:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:28:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:28:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:28:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:28:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:28:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:28:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_cq [2022-07-23 00:28:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_cq [2022-07-23 00:28:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure show_ibdev [2022-07-23 00:28:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure show_ibdev [2022-07-23 00:28:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure ib_query_device [2022-07-23 00:28:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_query_device [2022-07-23 00:28:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure fd_install [2022-07-23 00:28:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure fd_install [2022-07-23 00:28:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_close [2022-07-23 00:28:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_close [2022-07-23 00:28:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure idr_destroy [2022-07-23 00:28:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_destroy [2022-07-23 00:28:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_to_udata [2022-07-23 00:28:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_to_udata [2022-07-23 00:28:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-23 00:28:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-23 00:28:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure put_pd_read [2022-07-23 00:28:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pd_read [2022-07-23 00:28:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:28:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:28:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_qp [2022-07-23 00:28:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_qp [2022-07-23 00:28:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-23 00:28:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-23 00:28:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_uobj [2022-07-23 00:28:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_uobj [2022-07-23 00:28:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_xrcd [2022-07-23 00:28:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_xrcd [2022-07-23 00:28:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_file [2022-07-23 00:28:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_file [2022-07-23 00:28:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:28:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:28:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:28:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:28:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:28:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:28:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2022-07-23 00:28:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2022-07-23 00:28:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_pd [2022-07-23 00:28:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_pd [2022-07-23 00:28:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_srq [2022-07-23 00:28:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_srq [2022-07-23 00:28:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-07-23 00:28:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-07-23 00:28:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure fdput [2022-07-23 00:28:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure fdput [2022-07-23 00:28:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 00:28:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 00:28:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_ucq [2022-07-23 00:28:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_ucq [2022-07-23 00:28:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 00:28:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 00:28:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:28:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:28:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:28:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:28:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_unmarshall_recv [2022-07-23 00:28:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_unmarshall_recv [2022-07-23 00:28:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure idr_add_uobj [2022-07-23 00:28:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_add_uobj [2022-07-23 00:28:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:28:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:28:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_ex_query_device [2022-07-23 00:28:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_ex_query_device [2022-07-23 00:28:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure idr_write_uobj [2022-07-23 00:28:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_write_uobj [2022-07-23 00:28:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2022-07-23 00:28:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2022-07-23 00:28:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 00:28:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 00:28:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_mmap [2022-07-23 00:28:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_mmap [2022-07-23 00:28:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:28:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:28:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:28:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_poll [2022-07-23 00:28:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_poll [2022-07-23 00:28:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 00:28:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure __uverbs_create_xsrq [2022-07-23 00:28:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __uverbs_create_xsrq [2022-07-23 00:28:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_fasync [2022-07-23 00:28:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_fasync [2022-07-23 00:28:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure init_uobj [2022-07-23 00:28:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure init_uobj [2022-07-23 00:28:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure put_xrcd_read [2022-07-23 00:28:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure put_xrcd_read [2022-07-23 00:28:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure copy_query_dev_fields [2022-07-23 00:28:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_query_dev_fields [2022-07-23 00:28:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:28:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_alloc_event_file [2022-07-23 00:28:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_alloc_event_file [2022-07-23 00:28:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-23 00:28:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-23 00:28:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-23 00:28:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2022-07-23 00:28:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2022-07-23 00:28:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:28:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:28:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj [2022-07-23 00:28:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj [2022-07-23 00:28:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-23 00:28:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-23 00:28:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_event_read [2022-07-23 00:28:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_event_read [2022-07-23 00:28:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 00:28:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 00:28:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:28:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:28:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-07-23 00:28:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-07-23 00:28:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_obj [2022-07-23 00:28:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_obj [2022-07-23 00:28:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_qp [2022-07-23 00:28:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_qp [2022-07-23 00:28:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure idr_remove_uobj [2022-07-23 00:28:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_remove_uobj [2022-07-23 00:28:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-23 00:28:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-23 00:28:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 00:28:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 00:28:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-07-23 00:28:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-07-23 00:28:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 00:28:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 00:28:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 00:28:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 00:28:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_ah [2022-07-23 00:28:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_ah [2022-07-23 00:28:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:28:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:28:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-07-23 00:28:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-07-23 00:28:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:28:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:28:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_read [2022-07-23 00:28:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_read [2022-07-23 00:28:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 00:28:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 00:28:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_srq [2022-07-23 00:28:59,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_srq [2022-07-23 00:28:59,214 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_write [2022-07-23 00:28:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_write [2022-07-23 00:28:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:28:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-23 00:28:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-23 00:28:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_search [2022-07-23 00:28:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_search [2022-07-23 00:28:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-23 00:28:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-23 00:28:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:28:59,215 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_mw [2022-07-23 00:28:59,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_mw [2022-07-23 00:28:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure __idr_get_uobj [2022-07-23 00:28:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __idr_get_uobj [2022-07-23 00:28:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure put_uobj_write [2022-07-23 00:28:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure put_uobj_write [2022-07-23 00:28:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2022-07-23 00:28:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2022-07-23 00:28:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:28:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure put_srq_read [2022-07-23 00:28:59,216 INFO L138 BoogieDeclarations]: Found implementation of procedure put_srq_read [2022-07-23 00:28:59,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:28:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:28:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dereg_mr [2022-07-23 00:28:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dereg_mr [2022-07-23 00:28:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure put_unused_fd [2022-07-23 00:28:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unused_fd [2022-07-23 00:28:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-23 00:28:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-23 00:28:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure create_cq [2022-07-23 00:28:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure create_cq [2022-07-23 00:28:59,217 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:28:59,217 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:28:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 00:28:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 00:28:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure modify_qp_mask [2022-07-23 00:28:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure modify_qp_mask [2022-07-23 00:28:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-07-23 00:28:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-07-23 00:28:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:28:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 00:28:59,218 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 00:28:59,218 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-07-23 00:28:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-07-23 00:28:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_zero_bit [2022-07-23 00:28:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_zero_bit [2022-07-23 00:28:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-23 00:28:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-23 00:28:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-07-23 00:28:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-07-23 00:28:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:28:59,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:28:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 00:28:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 00:28:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:28:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:28:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:28:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure get_unused_fd_flags [2022-07-23 00:28:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unused_fd_flags [2022-07-23 00:28:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:28:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:28:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 00:28:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 00:28:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:28:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_xrcd [2022-07-23 00:28:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_xrcd [2022-07-23 00:28:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 00:28:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 00:28:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 00:28:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 00:28:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-07-23 00:28:59,221 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-07-23 00:28:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:28:59,221 INFO L130 BoogieDeclarations]: Found specification of procedure ib_check_mr_access [2022-07-23 00:28:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_check_mr_access [2022-07-23 00:28:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-23 00:28:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-23 00:28:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 00:28:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:28:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:28:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2022-07-23 00:28:59,222 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2022-07-23 00:28:59,222 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-23 00:28:59,223 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-23 00:28:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ib_destroy_flow [2022-07-23 00:28:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_destroy_flow [2022-07-23 00:28:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:28:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:28:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get___0 [2022-07-23 00:28:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get___0 [2022-07-23 00:28:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure xrcd_table_delete [2022-07-23 00:28:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure xrcd_table_delete [2022-07-23 00:28:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_remove_one [2022-07-23 00:28:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_remove_one [2022-07-23 00:28:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 00:28:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 00:28:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure ib_detach_mcast [2022-07-23 00:28:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_detach_mcast [2022-07-23 00:28:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 00:28:59,227 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 00:28:59,227 INFO L130 BoogieDeclarations]: Found specification of procedure show_dev_abi_version [2022-07-23 00:28:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dev_abi_version [2022-07-23 00:28:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-07-23 00:28:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2022-07-23 00:28:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-07-23 00:28:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-07-23 00:28:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_cq [2022-07-23 00:28:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_cq [2022-07-23 00:28:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 00:28:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 00:28:59,228 INFO L130 BoogieDeclarations]: Found specification of procedure idr_read_srq [2022-07-23 00:28:59,228 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_read_srq [2022-07-23 00:28:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-23 00:28:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-23 00:28:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_add_one [2022-07-23 00:28:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_add_one [2022-07-23 00:28:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure put_qp_read [2022-07-23 00:28:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure put_qp_read [2022-07-23 00:28:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 00:28:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 00:28:59,229 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2022-07-23 00:28:59,229 INFO L138 BoogieDeclarations]: Found implementation of procedure no_llseek [2022-07-23 00:28:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:28:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:28:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-07-23 00:28:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-07-23 00:28:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure ib_copy_from_udata [2022-07-23 00:28:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_copy_from_udata [2022-07-23 00:28:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 00:28:59,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 00:28:59,230 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_release_uevent [2022-07-23 00:28:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_release_uevent [2022-07-23 00:28:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 00:28:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 00:28:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure put_cq_read [2022-07-23 00:28:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure put_cq_read [2022-07-23 00:28:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure ib_uverbs_modify_qp [2022-07-23 00:28:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_uverbs_modify_qp [2022-07-23 00:28:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:28:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure show_class_attr_string [2022-07-23 00:28:59,231 INFO L138 BoogieDeclarations]: Found implementation of procedure show_class_attr_string [2022-07-23 00:28:59,231 INFO L130 BoogieDeclarations]: Found specification of procedure ib_dealloc_pd [2022-07-23 00:28:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ib_dealloc_pd [2022-07-23 00:28:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:28:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:28:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 00:28:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-23 00:28:59,232 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:28:59,232 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:29:00,145 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:29:00,160 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:29:00,643 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:29:24,932 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:29:24,956 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:29:24,956 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:29:24,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:29:24 BoogieIcfgContainer [2022-07-23 00:29:24,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:29:24,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:29:24,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:29:24,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:29:24,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:28:56" (1/3) ... [2022-07-23 00:29:24,966 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a8a5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:29:24, skipping insertion in model container [2022-07-23 00:29:24,966 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:58" (2/3) ... [2022-07-23 00:29:24,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45a8a5ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:29:24, skipping insertion in model container [2022-07-23 00:29:24,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:29:24" (3/3) ... [2022-07-23 00:29:24,968 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--infiniband--core--ib_uverbs.ko-entry_point.cil.out.i [2022-07-23 00:29:24,978 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:29:24,979 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:29:25,068 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:29:25,074 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@24247bc3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@62357034 [2022-07-23 00:29:25,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:29:25,085 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) [2022-07-23 00:29:25,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-07-23 00:29:25,116 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:29:25,117 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] [2022-07-23 00:29:25,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:29:25,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:29:25,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1949981213, now seen corresponding path program 1 times [2022-07-23 00:29:25,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:29:25,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681675600] [2022-07-23 00:29:25,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:29:25,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:29:25,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:29:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:25,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:25,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:29:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:25,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:25,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:25,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:29:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:25,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:25,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:29:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:29:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:29:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:29:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:29:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:29:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:29:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:29:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:29:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 00:29:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 00:29:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 00:29:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:29:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 00:29:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:29:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 00:29:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 00:29:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:29:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 00:29:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 00:29:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 00:29:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 00:29:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:26,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 00:29:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:27,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:29:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:27,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 00:29:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:27,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2022-07-23 00:29:27,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:29:27,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681675600] [2022-07-23 00:29:27,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681675600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:29:27,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:29:27,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:29:27,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830106059] [2022-07-23 00:29:27,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:29:27,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:29:27,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:29:27,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:29:27,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:29:27,100 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) [2022-07-23 00:29:31,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:33,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:35,988 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:39,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:41,135 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:47,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:49,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:50,742 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:56,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:58,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:00,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:02,170 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:04,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:07,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:09,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:11,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:16,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:18,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:19,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:19,899 INFO L93 Difference]: Finished difference Result 6677 states and 10534 transitions. [2022-07-23 00:30:19,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 00:30:19,901 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 [2022-07-23 00:30:19,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:19,950 INFO L225 Difference]: With dead ends: 6677 [2022-07-23 00:30:19,950 INFO L226 Difference]: Without dead ends: 3653 [2022-07-23 00:30:19,978 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 [2022-07-23 00:30:19,982 INFO L413 NwaCegarLoop]: 4489 mSDtfsCounter, 2540 mSDsluCounter, 3507 mSDsCounter, 0 mSdLazyCounter, 3471 mSolverCounterSat, 2594 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2712 SdHoareTripleChecker+Valid, 7996 SdHoareTripleChecker+Invalid, 6077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2594 IncrementalHoareTripleChecker+Valid, 3471 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:19,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2712 Valid, 7996 Invalid, 6077 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2594 Valid, 3471 Invalid, 12 Unknown, 0 Unchecked, 52.1s Time] [2022-07-23 00:30:20,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3653 states. [2022-07-23 00:30:20,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3653 to 2997. [2022-07-23 00:30:20,178 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) [2022-07-23 00:30:20,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2997 states to 2997 states and 4425 transitions. [2022-07-23 00:30:20,195 INFO L78 Accepts]: Start accepts. Automaton has 2997 states and 4425 transitions. Word has length 417 [2022-07-23 00:30:20,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:20,196 INFO L495 AbstractCegarLoop]: Abstraction has 2997 states and 4425 transitions. [2022-07-23 00:30:20,196 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) [2022-07-23 00:30:20,196 INFO L276 IsEmpty]: Start isEmpty. Operand 2997 states and 4425 transitions. [2022-07-23 00:30:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-07-23 00:30:20,203 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:20,204 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] [2022-07-23 00:30:20,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:30:20,204 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:20,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:20,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1187557121, now seen corresponding path program 1 times [2022-07-23 00:30:20,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:20,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975659891] [2022-07-23 00:30:20,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:20,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:30:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 00:30:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 00:30:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 00:30:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:30:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 00:30:21,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:30:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 00:30:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 00:30:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:30:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 00:30:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 00:30:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 00:30:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 00:30:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 00:30:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:30:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 00:30:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:21,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2399 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2022-07-23 00:30:21,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:21,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975659891] [2022-07-23 00:30:21,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975659891] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:21,521 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:30:21,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:30:21,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492919500] [2022-07-23 00:30:21,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:21,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:30:21,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:21,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:30:21,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:30:21,540 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) [2022-07-23 00:30:27,361 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:29,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:33,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:35,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:37,741 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:39,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:41,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:46,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:49,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:51,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:55,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:00,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:02,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:05,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:10,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:12,394 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:14,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:21,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:29,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:31:29,972 INFO L93 Difference]: Finished difference Result 10168 states and 15976 transitions. [2022-07-23 00:31:29,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:31:29,973 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 [2022-07-23 00:31:29,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:31:30,030 INFO L225 Difference]: With dead ends: 10168 [2022-07-23 00:31:30,030 INFO L226 Difference]: Without dead ends: 7215 [2022-07-23 00:31:30,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:31:30,055 INFO L413 NwaCegarLoop]: 5280 mSDtfsCounter, 7394 mSDsluCounter, 8930 mSDsCounter, 0 mSdLazyCounter, 8974 mSolverCounterSat, 5341 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8056 SdHoareTripleChecker+Valid, 14210 SdHoareTripleChecker+Invalid, 14327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5341 IncrementalHoareTripleChecker+Valid, 8974 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 67.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:31:30,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8056 Valid, 14210 Invalid, 14327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5341 Valid, 8974 Invalid, 12 Unknown, 0 Unchecked, 67.7s Time] [2022-07-23 00:31:30,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7215 states. [2022-07-23 00:31:30,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7215 to 5933. [2022-07-23 00:31:30,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5933 states, 3952 states have (on average 1.3598178137651822) internal successors, (5374), 4083 states have internal predecessors, (5374), 1687 states have call successors, (1687), 286 states have call predecessors, (1687), 293 states have return successors, (1726), 1680 states have call predecessors, (1726), 1685 states have call successors, (1726) [2022-07-23 00:31:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5933 states to 5933 states and 8787 transitions. [2022-07-23 00:31:30,346 INFO L78 Accepts]: Start accepts. Automaton has 5933 states and 8787 transitions. Word has length 417 [2022-07-23 00:31:30,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:31:30,349 INFO L495 AbstractCegarLoop]: Abstraction has 5933 states and 8787 transitions. [2022-07-23 00:31:30,349 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) [2022-07-23 00:31:30,349 INFO L276 IsEmpty]: Start isEmpty. Operand 5933 states and 8787 transitions. [2022-07-23 00:31:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-07-23 00:31:30,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:31:30,358 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] [2022-07-23 00:31:30,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:31:30,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:31:30,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:31:30,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1323101294, now seen corresponding path program 1 times [2022-07-23 00:31:30,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:31:30,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934268313] [2022-07-23 00:31:30,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:31:30,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:31:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:31:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:31:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:31:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:31:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:31:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:31:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:31:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:30,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:31:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:30,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:31:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:31:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:31:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 00:31:31,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 00:31:31,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 00:31:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:31:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 00:31:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:31:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 00:31:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 00:31:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:31:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 00:31:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 00:31:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 00:31:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 00:31:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 00:31:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:31:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 00:31:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-07-23 00:31:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 00:31:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2022-07-23 00:31:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2022-07-23 00:31:31,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:31:31,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934268313] [2022-07-23 00:31:31,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934268313] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:31:31,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:31:31,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:31:31,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569164001] [2022-07-23 00:31:31,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:31:31,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:31:31,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:31:31,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:31:31,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:31:31,452 INFO L87 Difference]: Start difference. First operand 5933 states and 8787 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) [2022-07-23 00:31:35,838 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 [] [2022-07-23 00:31:40,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:42,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:47,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:50,755 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:55,823 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:57,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:00,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:03,132 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:04,424 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:07,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:12,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:15,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:20,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:32:20,052 INFO L93 Difference]: Finished difference Result 20076 states and 31981 transitions. [2022-07-23 00:32:20,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:32:20,053 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 442 [2022-07-23 00:32:20,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:32:20,263 INFO L225 Difference]: With dead ends: 20076 [2022-07-23 00:32:20,264 INFO L226 Difference]: Without dead ends: 14207 [2022-07-23 00:32:20,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:32:20,286 INFO L413 NwaCegarLoop]: 5481 mSDtfsCounter, 10081 mSDsluCounter, 6101 mSDsCounter, 0 mSdLazyCounter, 5260 mSolverCounterSat, 7863 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10728 SdHoareTripleChecker+Valid, 11582 SdHoareTripleChecker+Invalid, 13135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7863 IncrementalHoareTripleChecker+Valid, 5260 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:32:20,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10728 Valid, 11582 Invalid, 13135 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7863 Valid, 5260 Invalid, 12 Unknown, 0 Unchecked, 47.7s Time] [2022-07-23 00:32:20,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14207 states. [2022-07-23 00:32:20,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14207 to 13600. [2022-07-23 00:32:20,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13600 states, 9098 states have (on average 1.3534842822598374) internal successors, (12314), 9324 states have internal predecessors, (12314), 3758 states have call successors, (3758), 564 states have call predecessors, (3758), 743 states have return successors, (5660), 3959 states have call predecessors, (5660), 3756 states have call successors, (5660) [2022-07-23 00:32:20,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13600 states to 13600 states and 21732 transitions. [2022-07-23 00:32:20,844 INFO L78 Accepts]: Start accepts. Automaton has 13600 states and 21732 transitions. Word has length 442 [2022-07-23 00:32:20,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:32:20,848 INFO L495 AbstractCegarLoop]: Abstraction has 13600 states and 21732 transitions. [2022-07-23 00:32:20,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2022-07-23 00:32:20,849 INFO L276 IsEmpty]: Start isEmpty. Operand 13600 states and 21732 transitions. [2022-07-23 00:32:20,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 451 [2022-07-23 00:32:20,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:32:20,861 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:32:20,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:32:20,861 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:32:20,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:32:20,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1347440067, now seen corresponding path program 1 times [2022-07-23 00:32:20,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:32:20,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751401212] [2022-07-23 00:32:20,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:32:20,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:32:20,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:32:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:32:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:32:21,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:32:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:32:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:32:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:32:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:32:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:32:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:32:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:32:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:32:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-07-23 00:32:21,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 00:32:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 00:32:21,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:32:21,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-23 00:32:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 00:32:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 00:32:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-23 00:32:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-23 00:32:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-23 00:32:21,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 00:32:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 00:32:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2022-07-23 00:32:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 00:32:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:32:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-07-23 00:32:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-23 00:32:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2022-07-23 00:32:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 00:32:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2402 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2402 trivial. 0 not checked. [2022-07-23 00:32:21,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:32:21,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751401212] [2022-07-23 00:32:21,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751401212] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:32:21,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:32:21,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:32:21,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284775533] [2022-07-23 00:32:21,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:32:21,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:32:21,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:32:21,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:32:21,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:32:21,745 INFO L87 Difference]: Start difference. First operand 13600 states and 21732 transitions. Second operand has 6 states, 6 states have (on average 14.166666666666666) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-07-23 00:32:25,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:30,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:32,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:36,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:38,257 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:40,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:42,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:44,788 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:50,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:52,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:54,936 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:57,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:33:00,952 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:33:03,769 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:33:05,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:33:07,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:33:09,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:33:18,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []