./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--md--dm-multipath.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--md--dm-multipath.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 0de3702172247e9daf688602f826d117afa5d623a980b5c7e35d9c75cbe83a45 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:29:58,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:29:58,767 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:29:58,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:29:58,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:29:58,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:29:58,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:29:58,833 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:29:58,835 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:29:58,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:29:58,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:29:58,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:29:58,844 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:29:58,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:29:58,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:29:58,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:29:58,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:29:58,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:29:58,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:29:58,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:29:58,865 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:29:58,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:29:58,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:29:58,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:29:58,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:29:58,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:29:58,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:29:58,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:29:58,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:29:58,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:29:58,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:29:58,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:29:58,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:29:58,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:29:58,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:29:58,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:29:58,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:29:58,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:29:58,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:29:58,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:29:58,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:29:58,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:29:58,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:29:58,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:29:58,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:29:58,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:29:58,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:29:58,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:29:58,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:29:58,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:29:58,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:29:58,919 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:29:58,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:29:58,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:29:58,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:29:58,921 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:29:58,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:29:58,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:29:58,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:29:58,921 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:29:58,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:29:58,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:29:58,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:29:58,924 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:29:58,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:29:58,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:29:58,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:29:58,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:29:58,925 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:29:58,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:29:58,925 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:29:58,925 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:29:58,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:29:58,926 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0de3702172247e9daf688602f826d117afa5d623a980b5c7e35d9c75cbe83a45 [2022-07-23 00:29:59,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:29:59,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:29:59,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:29:59,186 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:29:59,186 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:29:59,188 INFO L432 ainManager$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--md--dm-multipath.ko-entry_point.cil.out.i [2022-07-23 00:29:59,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38134ca9e/c8084a95d93f4ef0b64fa19626e6019f/FLAGacc092aa8 [2022-07-23 00:29:59,993 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:29:59,994 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--md--dm-multipath.ko-entry_point.cil.out.i [2022-07-23 00:30:00,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38134ca9e/c8084a95d93f4ef0b64fa19626e6019f/FLAGacc092aa8 [2022-07-23 00:30:00,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38134ca9e/c8084a95d93f4ef0b64fa19626e6019f [2022-07-23 00:30:00,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:30:00,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:30:00,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:30:00,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:30:00,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:30:00,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:30:00" (1/1) ... [2022-07-23 00:30:00,110 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d58714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:00, skipping insertion in model container [2022-07-23 00:30:00,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:30:00" (1/1) ... [2022-07-23 00:30:00,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:30:00,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:30:02,203 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--md--dm-multipath.ko-entry_point.cil.out.i[230653,230666] [2022-07-23 00:30:02,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:30:02,280 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:30:02,589 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--md--dm-multipath.ko-entry_point.cil.out.i[230653,230666] [2022-07-23 00:30:02,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:30:02,707 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:30:02,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02 WrapperNode [2022-07-23 00:30:02,709 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:30:02,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:30:02,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:30:02,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:30:02,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:02,805 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:02,968 INFO L137 Inliner]: procedures = 258, calls = 1568, calls flagged for inlining = 102, calls inlined = 102, statements flattened = 4328 [2022-07-23 00:30:02,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:30:02,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:30:02,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:30:02,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:30:02,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:02,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:03,013 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:03,014 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:03,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:03,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:03,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:03,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:30:03,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:30:03,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:30:03,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:30:03,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (1/1) ... [2022-07-23 00:30:03,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:30:03,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:30:03,237 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 00:30:03,248 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 00:30:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2022-07-23 00:30:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2022-07-23 00:30:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-23 00:30:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-23 00:30:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-23 00:30:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure queue_if_no_path [2022-07-23 00:30:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_if_no_path [2022-07-23 00:30:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:30:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:30:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:30:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:30:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_message [2022-07-23 00:30:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_message [2022-07-23 00:30:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_end_io [2022-07-23 00:30:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_end_io [2022-07-23 00:30:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ctr [2022-07-23 00:30:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ctr [2022-07-23 00:30:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 00:30:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 00:30:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:30:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:30:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 00:30:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 00:30:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg_num [2022-07-23 00:30:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg_num [2022-07-23 00:30:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-23 00:30:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-23 00:30:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-23 00:30:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-23 00:30:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_clone_and_map [2022-07-23 00:30:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_clone_and_map [2022-07-23 00:30:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure parse_path_selector [2022-07-23 00:30:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_path_selector [2022-07-23 00:30:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_iterate_devices [2022-07-23 00:30:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_iterate_devices [2022-07-23 00:30:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:30:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:30:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:30:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:30:03,290 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-23 00:30:03,290 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-23 00:30:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:30:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:30:03,291 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_dtr [2022-07-23 00:30:03,291 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_dtr [2022-07-23 00:30:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:30:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:30:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_detach [2022-07-23 00:30:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_detach [2022-07-23 00:30:03,292 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-23 00:30:03,292 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-23 00:30:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_path_selector [2022-07-23 00:30:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_path_selector [2022-07-23 00:30:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:30:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:30:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_handler_exist [2022-07-23 00:30:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_handler_exist [2022-07-23 00:30:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-23 00:30:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-23 00:30:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_ioctl [2022-07-23 00:30:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_ioctl [2022-07-23 00:30:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure clear_mapinfo [2022-07-23 00:30:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_mapinfo [2022-07-23 00:30:03,296 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-23 00:30:03,296 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-23 00:30:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure free_priority_group [2022-07-23 00:30:03,297 INFO L138 BoogieDeclarations]: Found implementation of procedure free_priority_group [2022-07-23 00:30:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:30:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:30:03,297 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:30:03,297 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-23 00:30:03,298 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-23 00:30:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:30:03,298 INFO L130 BoogieDeclarations]: Found specification of procedure __must_push_back [2022-07-23 00:30:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure __must_push_back [2022-07-23 00:30:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-23 00:30:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2022-07-23 00:30:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-23 00:30:03,299 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-23 00:30:03,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:30:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:30:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:30:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:30:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_path_selector [2022-07-23 00:30:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_path_selector [2022-07-23 00:30:03,300 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-23 00:30:03,300 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-23 00:30:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:30:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_release_clone [2022-07-23 00:30:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_release_clone [2022-07-23 00:30:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:30:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure bypass_pg [2022-07-23 00:30:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure bypass_pg [2022-07-23 00:30:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_event [2022-07-23 00:30:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_event [2022-07-23 00:30:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 00:30:03,303 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 00:30:03,303 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 00:30:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 00:30:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 00:30:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 00:30:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure free_pgpath [2022-07-23 00:30:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pgpath [2022-07-23 00:30:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 00:30:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 00:30:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_path_in_pg [2022-07-23 00:30:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_path_in_pg [2022-07-23 00:30:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:30:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:30:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure activate_path [2022-07-23 00:30:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_path [2022-07-23 00:30:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2022-07-23 00:30:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~status_type_t~0~X~$Pointer$~X~int~TO~int [2022-07-23 00:30:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure flush_multipath_work [2022-07-23 00:30:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_multipath_work [2022-07-23 00:30:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 00:30:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 00:30:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dh_attach [2022-07-23 00:30:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dh_attach [2022-07-23 00:30:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-23 00:30:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-23 00:30:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_run_md_queue_async [2022-07-23 00:30:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_run_md_queue_async [2022-07-23 00:30:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-23 00:30:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-23 00:30:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_postsuspend [2022-07-23 00:30:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_postsuspend [2022-07-23 00:30:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure fail_path [2022-07-23 00:30:03,319 INFO L138 BoogieDeclarations]: Found implementation of procedure fail_path [2022-07-23 00:30:03,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:30:03,319 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_map [2022-07-23 00:30:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_map [2022-07-23 00:30:03,320 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:30:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:30:03,320 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-23 00:30:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-23 00:30:03,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:30:03,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:30:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:30:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-23 00:30:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-23 00:30:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:30:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:30:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg [2022-07-23 00:30:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg [2022-07-23 00:30:03,322 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-07-23 00:30:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-07-23 00:30:03,322 INFO L130 BoogieDeclarations]: Found specification of procedure __choose_pgpath [2022-07-23 00:30:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __choose_pgpath [2022-07-23 00:30:03,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:30:03,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:30:03,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:30:03,323 INFO L130 BoogieDeclarations]: Found specification of procedure dm_path_uevent [2022-07-23 00:30:03,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_path_uevent [2022-07-23 00:30:03,323 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-23 00:30:03,323 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-23 00:30:03,323 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-23 00:30:03,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-23 00:30:03,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:30:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 00:30:03,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-23 00:30:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:30:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 00:30:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure parse_priority_group [2022-07-23 00:30:03,324 INFO L138 BoogieDeclarations]: Found implementation of procedure parse_priority_group [2022-07-23 00:30:03,324 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:30:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:30:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure __pg_init_all_paths [2022-07-23 00:30:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __pg_init_all_paths [2022-07-23 00:30:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-23 00:30:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-23 00:30:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_presuspend [2022-07-23 00:30:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_presuspend [2022-07-23 00:30:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consume_args [2022-07-23 00:30:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consume_args [2022-07-23 00:30:03,326 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-23 00:30:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-23 00:30:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 00:30:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 00:30:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure free_multipath [2022-07-23 00:30:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure free_multipath [2022-07-23 00:30:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure __multipath_map [2022-07-23 00:30:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __multipath_map [2022-07-23 00:30:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 00:30:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 00:30:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_bytes [2022-07-23 00:30:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_bytes [2022-07-23 00:30:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_status [2022-07-23 00:30:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_status [2022-07-23 00:30:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-23 00:30:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-23 00:30:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_busy [2022-07-23 00:30:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_busy [2022-07-23 00:30:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 00:30:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 00:30:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-23 00:30:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure __find_path_selector_type [2022-07-23 00:30:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_path_selector_type [2022-07-23 00:30:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-23 00:30:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-23 00:30:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure multipath_resume [2022-07-23 00:30:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure multipath_resume [2022-07-23 00:30:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:30:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 00:30:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 00:30:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-23 00:30:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-23 00:30:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:30:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:30:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:30:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:30:04,096 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:30:04,099 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:30:04,214 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:30:06,785 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:30:06,808 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:30:06,809 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:30:06,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:30:06 BoogieIcfgContainer [2022-07-23 00:30:06,814 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:30:06,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:30:06,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:30:06,819 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:30:06,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:30:00" (1/3) ... [2022-07-23 00:30:06,820 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b36d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:30:06, skipping insertion in model container [2022-07-23 00:30:06,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:30:02" (2/3) ... [2022-07-23 00:30:06,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56b36d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:30:06, skipping insertion in model container [2022-07-23 00:30:06,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:30:06" (3/3) ... [2022-07-23 00:30:06,822 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-multipath.ko-entry_point.cil.out.i [2022-07-23 00:30:06,835 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:30:06,835 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:30:06,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:30:06,931 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@7ba8b6c8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@71916d39 [2022-07-23 00:30:06,932 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:30:06,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 1641 states, 1155 states have (on average 1.3593073593073592) internal successors, (1570), 1182 states have internal predecessors, (1570), 387 states have call successors, (387), 98 states have call predecessors, (387), 97 states have return successors, (382), 375 states have call predecessors, (382), 382 states have call successors, (382) [2022-07-23 00:30:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-07-23 00:30:07,010 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:07,011 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:30:07,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:07,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:07,019 INFO L85 PathProgramCache]: Analyzing trace with hash 515794747, now seen corresponding path program 1 times [2022-07-23 00:30:07,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:07,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299615537] [2022-07-23 00:30:07,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:07,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:30:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:30:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:30:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:07,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:30:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:30:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 00:30:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:30:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 00:30:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 00:30:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 00:30:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:08,179 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-07-23 00:30:08,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:08,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299615537] [2022-07-23 00:30:08,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299615537] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:08,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:30:08,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:30:08,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980365988] [2022-07-23 00:30:08,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:08,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:30:08,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:08,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:30:08,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:30:08,226 INFO L87 Difference]: Start difference. First operand has 1641 states, 1155 states have (on average 1.3593073593073592) internal successors, (1570), 1182 states have internal predecessors, (1570), 387 states have call successors, (387), 98 states have call predecessors, (387), 97 states have return successors, (382), 375 states have call predecessors, (382), 382 states have call successors, (382) Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 00:30:13,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:13,276 INFO L93 Difference]: Finished difference Result 3664 states and 5412 transitions. [2022-07-23 00:30:13,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:30:13,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 318 [2022-07-23 00:30:13,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:13,328 INFO L225 Difference]: With dead ends: 3664 [2022-07-23 00:30:13,328 INFO L226 Difference]: Without dead ends: 2015 [2022-07-23 00:30:13,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:30:13,352 INFO L413 NwaCegarLoop]: 2053 mSDtfsCounter, 3268 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 1520 mSolverCounterSat, 2419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3383 SdHoareTripleChecker+Valid, 3537 SdHoareTripleChecker+Invalid, 3939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2419 IncrementalHoareTripleChecker+Valid, 1520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:13,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3383 Valid, 3537 Invalid, 3939 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2419 Valid, 1520 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-07-23 00:30:13,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2015 states. [2022-07-23 00:30:13,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2015 to 1628. [2022-07-23 00:30:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1628 states, 1149 states have (on average 1.3533507397737163) internal successors, (1555), 1169 states have internal predecessors, (1555), 382 states have call successors, (382), 97 states have call predecessors, (382), 96 states have return successors, (380), 373 states have call predecessors, (380), 380 states have call successors, (380) [2022-07-23 00:30:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1628 states to 1628 states and 2317 transitions. [2022-07-23 00:30:13,576 INFO L78 Accepts]: Start accepts. Automaton has 1628 states and 2317 transitions. Word has length 318 [2022-07-23 00:30:13,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:13,580 INFO L495 AbstractCegarLoop]: Abstraction has 1628 states and 2317 transitions. [2022-07-23 00:30:13,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (26), 6 states have call predecessors, (26), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 00:30:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 2317 transitions. [2022-07-23 00:30:13,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2022-07-23 00:30:13,596 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:13,596 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:30:13,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:30:13,597 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:13,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:13,600 INFO L85 PathProgramCache]: Analyzing trace with hash -2143438509, now seen corresponding path program 1 times [2022-07-23 00:30:13,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:13,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675648037] [2022-07-23 00:30:13,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:13,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:13,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:13,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:13,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:13,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:13,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:13,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:30:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:30:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:30:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:30:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:30:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 00:30:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:30:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 00:30:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 00:30:14,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 00:30:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:14,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-07-23 00:30:14,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:14,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675648037] [2022-07-23 00:30:14,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675648037] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:14,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:30:14,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:30:14,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131870042] [2022-07-23 00:30:14,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:14,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:30:14,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:14,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:30:14,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:30:14,393 INFO L87 Difference]: Start difference. First operand 1628 states and 2317 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 00:30:25,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:25,310 INFO L93 Difference]: Finished difference Result 5549 states and 8145 transitions. [2022-07-23 00:30:25,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:30:25,311 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 318 [2022-07-23 00:30:25,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:25,338 INFO L225 Difference]: With dead ends: 5549 [2022-07-23 00:30:25,338 INFO L226 Difference]: Without dead ends: 3962 [2022-07-23 00:30:25,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:30:25,348 INFO L413 NwaCegarLoop]: 2339 mSDtfsCounter, 5907 mSDsluCounter, 3457 mSDsCounter, 0 mSdLazyCounter, 4897 mSolverCounterSat, 3128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6258 SdHoareTripleChecker+Valid, 5796 SdHoareTripleChecker+Invalid, 8025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3128 IncrementalHoareTripleChecker+Valid, 4897 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:25,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6258 Valid, 5796 Invalid, 8025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3128 Valid, 4897 Invalid, 0 Unknown, 0 Unchecked, 10.4s Time] [2022-07-23 00:30:25,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2022-07-23 00:30:25,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3273. [2022-07-23 00:30:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3273 states, 2320 states have (on average 1.355603448275862) internal successors, (3145), 2360 states have internal predecessors, (3145), 757 states have call successors, (757), 192 states have call predecessors, (757), 195 states have return successors, (777), 744 states have call predecessors, (777), 755 states have call successors, (777) [2022-07-23 00:30:25,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3273 states to 3273 states and 4679 transitions. [2022-07-23 00:30:25,485 INFO L78 Accepts]: Start accepts. Automaton has 3273 states and 4679 transitions. Word has length 318 [2022-07-23 00:30:25,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:25,487 INFO L495 AbstractCegarLoop]: Abstraction has 3273 states and 4679 transitions. [2022-07-23 00:30:25,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 00:30:25,487 INFO L276 IsEmpty]: Start isEmpty. Operand 3273 states and 4679 transitions. [2022-07-23 00:30:25,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-23 00:30:25,534 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:25,535 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 9, 9, 9, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:30:25,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:30:25,535 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:25,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:25,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1222623352, now seen corresponding path program 1 times [2022-07-23 00:30:25,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:25,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525552458] [2022-07-23 00:30:25,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:25,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:25,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:30:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:25,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:25,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:30:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:30:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:30:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:30:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 00:30:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:30:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 00:30:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 00:30:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 00:30:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 00:30:26,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 00:30:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 00:30:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:30:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-23 00:30:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 00:30:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2022-07-23 00:30:26,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:26,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525552458] [2022-07-23 00:30:26,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525552458] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:26,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:30:26,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:30:26,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131704477] [2022-07-23 00:30:26,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:26,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:30:26,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:26,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:30:26,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:30:26,180 INFO L87 Difference]: Start difference. First operand 3273 states and 4679 transitions. Second operand has 8 states, 8 states have (on average 12.5) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 00:30:37,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:37,160 INFO L93 Difference]: Finished difference Result 7956 states and 11622 transitions. [2022-07-23 00:30:37,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 00:30:37,161 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 377 [2022-07-23 00:30:37,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:37,193 INFO L225 Difference]: With dead ends: 7956 [2022-07-23 00:30:37,193 INFO L226 Difference]: Without dead ends: 4735 [2022-07-23 00:30:37,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2022-07-23 00:30:37,213 INFO L413 NwaCegarLoop]: 2040 mSDtfsCounter, 1841 mSDsluCounter, 3490 mSDsCounter, 0 mSdLazyCounter, 5637 mSolverCounterSat, 971 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 5530 SdHoareTripleChecker+Invalid, 6608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 971 IncrementalHoareTripleChecker+Valid, 5637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:37,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 5530 Invalid, 6608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [971 Valid, 5637 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-07-23 00:30:37,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4735 states. [2022-07-23 00:30:37,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4735 to 3859. [2022-07-23 00:30:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3859 states, 2743 states have (on average 1.3550856726212177) internal successors, (3717), 2797 states have internal predecessors, (3717), 868 states have call successors, (868), 243 states have call predecessors, (868), 247 states have return successors, (890), 854 states have call predecessors, (890), 866 states have call successors, (890) [2022-07-23 00:30:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3859 states to 3859 states and 5475 transitions. [2022-07-23 00:30:37,403 INFO L78 Accepts]: Start accepts. Automaton has 3859 states and 5475 transitions. Word has length 377 [2022-07-23 00:30:37,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:37,406 INFO L495 AbstractCegarLoop]: Abstraction has 3859 states and 5475 transitions. [2022-07-23 00:30:37,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.5) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (38), 7 states have call predecessors, (38), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-23 00:30:37,407 INFO L276 IsEmpty]: Start isEmpty. Operand 3859 states and 5475 transitions. [2022-07-23 00:30:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-23 00:30:37,419 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:37,420 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:37,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:30:37,420 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:37,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:37,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1463686418, now seen corresponding path program 1 times [2022-07-23 00:30:37,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:37,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705374629] [2022-07-23 00:30:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:37,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:37,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:37,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:30:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:30:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:30:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:30:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:30:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 00:30:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:30:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 00:30:37,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 00:30:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 00:30:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-23 00:30:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-23 00:30:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 00:30:37,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:37,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-23 00:30:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:38,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 00:30:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:30:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 00:30:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:38,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 399 [2022-07-23 00:30:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:38,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1420 trivial. 0 not checked. [2022-07-23 00:30:38,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:38,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705374629] [2022-07-23 00:30:38,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705374629] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:38,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:30:38,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:30:38,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170324525] [2022-07-23 00:30:38,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:38,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:30:38,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:38,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:30:38,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:30:38,050 INFO L87 Difference]: Start difference. First operand 3859 states and 5475 transitions. Second operand has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:30:47,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:47,471 INFO L93 Difference]: Finished difference Result 8539 states and 12419 transitions. [2022-07-23 00:30:47,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:30:47,480 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 412 [2022-07-23 00:30:47,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:47,518 INFO L225 Difference]: With dead ends: 8539 [2022-07-23 00:30:47,518 INFO L226 Difference]: Without dead ends: 4740 [2022-07-23 00:30:47,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2022-07-23 00:30:47,581 INFO L413 NwaCegarLoop]: 2009 mSDtfsCounter, 1392 mSDsluCounter, 4103 mSDsCounter, 0 mSdLazyCounter, 5533 mSolverCounterSat, 750 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1574 SdHoareTripleChecker+Valid, 6112 SdHoareTripleChecker+Invalid, 6283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 750 IncrementalHoareTripleChecker+Valid, 5533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:47,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1574 Valid, 6112 Invalid, 6283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [750 Valid, 5533 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2022-07-23 00:30:47,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4740 states. [2022-07-23 00:30:47,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4740 to 3862. [2022-07-23 00:30:47,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 2746 states have (on average 1.3539694100509831) internal successors, (3718), 2800 states have internal predecessors, (3718), 868 states have call successors, (868), 243 states have call predecessors, (868), 247 states have return successors, (890), 854 states have call predecessors, (890), 866 states have call successors, (890) [2022-07-23 00:30:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5476 transitions. [2022-07-23 00:30:47,811 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5476 transitions. Word has length 412 [2022-07-23 00:30:47,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:47,812 INFO L495 AbstractCegarLoop]: Abstraction has 3862 states and 5476 transitions. [2022-07-23 00:30:47,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.777777777777779) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (40), 7 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:30:47,813 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5476 transitions. [2022-07-23 00:30:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2022-07-23 00:30:47,827 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:47,827 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:47,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 00:30:47,828 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:47,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:47,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1972843834, now seen corresponding path program 1 times [2022-07-23 00:30:47,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:47,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419938966] [2022-07-23 00:30:47,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:47,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:48,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:30:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:30:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:30:48,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:30:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:30:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 00:30:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:30:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 00:30:48,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 00:30:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 00:30:48,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 00:30:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 00:30:48,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-23 00:30:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 00:30:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 00:30:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:30:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-23 00:30:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-23 00:30:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2022-07-23 00:30:48,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:48,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419938966] [2022-07-23 00:30:48,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419938966] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:30:48,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706391598] [2022-07-23 00:30:48,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:48,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:48,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:30:48,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:30:48,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 00:30:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:50,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 3820 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-23 00:30:50,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:30:50,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1423 trivial. 0 not checked. [2022-07-23 00:30:50,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:30:50,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706391598] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:50,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:30:50,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2022-07-23 00:30:50,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832066073] [2022-07-23 00:30:50,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:50,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:30:50,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:50,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:30:50,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-23 00:30:50,480 INFO L87 Difference]: Start difference. First operand 3862 states and 5476 transitions. Second operand has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-23 00:30:50,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:50,669 INFO L93 Difference]: Finished difference Result 7672 states and 10936 transitions. [2022-07-23 00:30:50,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:30:50,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 416 [2022-07-23 00:30:50,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:50,699 INFO L225 Difference]: With dead ends: 7672 [2022-07-23 00:30:50,699 INFO L226 Difference]: Without dead ends: 3876 [2022-07-23 00:30:50,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 541 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2022-07-23 00:30:50,721 INFO L413 NwaCegarLoop]: 2320 mSDtfsCounter, 2 mSDsluCounter, 6950 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9270 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:50,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9270 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 00:30:50,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2022-07-23 00:30:50,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3870. [2022-07-23 00:30:50,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3870 states, 2752 states have (on average 1.3531976744186047) internal successors, (3724), 2806 states have internal predecessors, (3724), 868 states have call successors, (868), 243 states have call predecessors, (868), 249 states have return successors, (900), 856 states have call predecessors, (900), 866 states have call successors, (900) [2022-07-23 00:30:51,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3870 states to 3870 states and 5492 transitions. [2022-07-23 00:30:51,007 INFO L78 Accepts]: Start accepts. Automaton has 3870 states and 5492 transitions. Word has length 416 [2022-07-23 00:30:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:51,008 INFO L495 AbstractCegarLoop]: Abstraction has 3870 states and 5492 transitions. [2022-07-23 00:30:51,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.4) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-07-23 00:30:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 3870 states and 5492 transitions. [2022-07-23 00:30:51,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-23 00:30:51,024 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:51,025 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:51,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-23 00:30:51,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:51,248 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:51,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:51,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1673984889, now seen corresponding path program 1 times [2022-07-23 00:30:51,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:51,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213249011] [2022-07-23 00:30:51,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:51,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:51,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:51,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:30:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:30:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:30:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:30:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:30:51,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 00:30:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:30:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 00:30:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 00:30:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 00:30:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 00:30:51,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 00:30:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-23 00:30:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 00:30:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 00:30:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:30:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-23 00:30:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-07-23 00:30:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2022-07-23 00:30:51,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:51,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213249011] [2022-07-23 00:30:51,977 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213249011] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:30:51,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219452533] [2022-07-23 00:30:51,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:51,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:51,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:30:51,979 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:30:51,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 00:30:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:53,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 3823 conjuncts, 51 conjunts are in the unsatisfiable core [2022-07-23 00:30:53,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:30:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1423 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1421 trivial. 0 not checked. [2022-07-23 00:30:53,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:30:53,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219452533] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:53,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:30:53,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 19 [2022-07-23 00:30:53,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596485480] [2022-07-23 00:30:53,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:53,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 00:30:53,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:53,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 00:30:53,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2022-07-23 00:30:53,697 INFO L87 Difference]: Start difference. First operand 3870 states and 5492 transitions. Second operand has 11 states, 11 states have (on average 11.0) internal successors, (121), 9 states have internal predecessors, (121), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:30:54,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:54,360 INFO L93 Difference]: Finished difference Result 7714 states and 10985 transitions. [2022-07-23 00:30:54,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 00:30:54,361 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 9 states have internal predecessors, (121), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 418 [2022-07-23 00:30:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:54,388 INFO L225 Difference]: With dead ends: 7714 [2022-07-23 00:30:54,388 INFO L226 Difference]: Without dead ends: 3910 [2022-07-23 00:30:54,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 560 GetRequests, 537 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=485, Unknown=0, NotChecked=0, Total=552 [2022-07-23 00:30:54,411 INFO L413 NwaCegarLoop]: 2311 mSDtfsCounter, 19 mSDsluCounter, 20756 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 23067 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:54,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 23067 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 00:30:54,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3910 states. [2022-07-23 00:30:54,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3910 to 3896. [2022-07-23 00:30:54,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3896 states, 2773 states have (on average 1.3505228993869456) internal successors, (3745), 2828 states have internal predecessors, (3745), 868 states have call successors, (868), 243 states have call predecessors, (868), 254 states have return successors, (929), 860 states have call predecessors, (929), 866 states have call successors, (929) [2022-07-23 00:30:54,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3896 states to 3896 states and 5542 transitions. [2022-07-23 00:30:54,613 INFO L78 Accepts]: Start accepts. Automaton has 3896 states and 5542 transitions. Word has length 418 [2022-07-23 00:30:54,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:54,615 INFO L495 AbstractCegarLoop]: Abstraction has 3896 states and 5542 transitions. [2022-07-23 00:30:54,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 11.0) internal successors, (121), 9 states have internal predecessors, (121), 2 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 00:30:54,616 INFO L276 IsEmpty]: Start isEmpty. Operand 3896 states and 5542 transitions. [2022-07-23 00:30:54,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 439 [2022-07-23 00:30:54,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:54,628 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:54,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:30:54,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-07-23 00:30:54,856 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:54,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:54,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1474914900, now seen corresponding path program 1 times [2022-07-23 00:30:54,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:54,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492597311] [2022-07-23 00:30:54,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:55,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:55,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:55,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:30:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:30:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 00:30:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-23 00:30:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-07-23 00:30:55,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-23 00:30:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 00:30:55,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-07-23 00:30:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-23 00:30:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 00:30:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-23 00:30:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-23 00:30:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:30:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:30:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 00:30:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-23 00:30:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 00:30:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:30:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-23 00:30:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-23 00:30:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:55,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1526 trivial. 0 not checked. [2022-07-23 00:30:55,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:55,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492597311] [2022-07-23 00:30:55,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492597311] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:30:55,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487831350] [2022-07-23 00:30:55,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:55,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:55,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:30:55,600 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:30:55,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 00:30:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 3890 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-23 00:30:57,143 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:30:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1531 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 1195 trivial. 0 not checked. [2022-07-23 00:30:57,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:30:57,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487831350] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:57,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:30:57,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2022-07-23 00:30:57,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849266255] [2022-07-23 00:30:57,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:57,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:30:57,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:57,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:30:57,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2022-07-23 00:30:57,213 INFO L87 Difference]: Start difference. First operand 3896 states and 5542 transitions. Second operand has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-23 00:30:57,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:57,491 INFO L93 Difference]: Finished difference Result 7766 states and 11080 transitions. [2022-07-23 00:30:57,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 00:30:57,492 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 438 [2022-07-23 00:30:57,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:57,514 INFO L225 Difference]: With dead ends: 7766 [2022-07-23 00:30:57,515 INFO L226 Difference]: Without dead ends: 3899 [2022-07-23 00:30:57,530 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 570 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2022-07-23 00:30:57,531 INFO L413 NwaCegarLoop]: 2305 mSDtfsCounter, 6 mSDsluCounter, 9192 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 11497 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:57,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 11497 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:30:57,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3899 states. [2022-07-23 00:30:57,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3899 to 3899. [2022-07-23 00:30:57,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3899 states, 2776 states have (on average 1.3501440922190202) internal successors, (3748), 2831 states have internal predecessors, (3748), 868 states have call successors, (868), 243 states have call predecessors, (868), 254 states have return successors, (929), 860 states have call predecessors, (929), 866 states have call successors, (929) [2022-07-23 00:30:57,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3899 states to 3899 states and 5545 transitions. [2022-07-23 00:30:57,710 INFO L78 Accepts]: Start accepts. Automaton has 3899 states and 5545 transitions. Word has length 438 [2022-07-23 00:30:57,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:57,711 INFO L495 AbstractCegarLoop]: Abstraction has 3899 states and 5545 transitions. [2022-07-23 00:30:57,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.2) internal successors, (141), 6 states have internal predecessors, (141), 3 states have call successors, (47), 2 states have call predecessors, (47), 4 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-23 00:30:57,711 INFO L276 IsEmpty]: Start isEmpty. Operand 3899 states and 5545 transitions. [2022-07-23 00:30:57,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 448 [2022-07-23 00:30:57,722 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:57,722 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:57,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 00:30:57,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:57,936 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:57,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:57,936 INFO L85 PathProgramCache]: Analyzing trace with hash -18710616, now seen corresponding path program 1 times [2022-07-23 00:30:57,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:57,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101371300] [2022-07-23 00:30:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:57,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:30:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:30:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:30:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 00:30:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 00:30:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-07-23 00:30:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 00:30:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-23 00:30:58,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 00:30:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:30:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-23 00:30:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 00:30:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 00:30:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:30:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:30:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-07-23 00:30:58,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-07-23 00:30:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 00:30:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:30:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-07-23 00:30:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 00:30:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 1643 trivial. 0 not checked. [2022-07-23 00:30:58,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:58,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101371300] [2022-07-23 00:30:58,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101371300] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:30:58,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645154398] [2022-07-23 00:30:58,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:58,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:58,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:30:58,659 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:30:58,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 00:31:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:00,615 INFO L263 TraceCheckSpWp]: Trace formula consists of 4025 conjuncts, 16 conjunts are in the unsatisfiable core [2022-07-23 00:31:00,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:31:00,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 428 proven. 15 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2022-07-23 00:31:00,760 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:31:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 70 proven. 11 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2022-07-23 00:31:01,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645154398] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:31:01,277 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:31:01,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 20 [2022-07-23 00:31:01,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088842157] [2022-07-23 00:31:01,278 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:31:01,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-23 00:31:01,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:31:01,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-23 00:31:01,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-07-23 00:31:01,280 INFO L87 Difference]: Start difference. First operand 3899 states and 5545 transitions. Second operand has 20 states, 18 states have (on average 11.944444444444445) internal successors, (215), 14 states have internal predecessors, (215), 4 states have call successors, (92), 7 states have call predecessors, (92), 6 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) [2022-07-23 00:31:15,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:31:21,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:31:21,148 INFO L93 Difference]: Finished difference Result 8904 states and 12948 transitions. [2022-07-23 00:31:21,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-07-23 00:31:21,149 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 11.944444444444445) internal successors, (215), 14 states have internal predecessors, (215), 4 states have call successors, (92), 7 states have call predecessors, (92), 6 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) Word has length 447 [2022-07-23 00:31:21,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:31:21,175 INFO L225 Difference]: With dead ends: 8904 [2022-07-23 00:31:21,176 INFO L226 Difference]: Without dead ends: 5022 [2022-07-23 00:31:21,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1064 GetRequests, 1022 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=276, Invalid=1530, Unknown=0, NotChecked=0, Total=1806 [2022-07-23 00:31:21,189 INFO L413 NwaCegarLoop]: 2015 mSDtfsCounter, 1702 mSDsluCounter, 11989 mSDsCounter, 0 mSdLazyCounter, 15972 mSolverCounterSat, 866 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1912 SdHoareTripleChecker+Valid, 14004 SdHoareTripleChecker+Invalid, 16838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 866 IncrementalHoareTripleChecker+Valid, 15972 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:31:21,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1912 Valid, 14004 Invalid, 16838 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [866 Valid, 15972 Invalid, 0 Unknown, 0 Unchecked, 18.8s Time] [2022-07-23 00:31:21,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5022 states. [2022-07-23 00:31:21,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5022 to 4138. [2022-07-23 00:31:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 2954 states have (on average 1.3483412322274881) internal successors, (3983), 3011 states have internal predecessors, (3983), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 900 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-23 00:31:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5860 transitions. [2022-07-23 00:31:21,415 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5860 transitions. Word has length 447 [2022-07-23 00:31:21,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:31:21,416 INFO L495 AbstractCegarLoop]: Abstraction has 4138 states and 5860 transitions. [2022-07-23 00:31:21,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 11.944444444444445) internal successors, (215), 14 states have internal predecessors, (215), 4 states have call successors, (92), 7 states have call predecessors, (92), 6 states have return successors, (62), 5 states have call predecessors, (62), 4 states have call successors, (62) [2022-07-23 00:31:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5860 transitions. [2022-07-23 00:31:21,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2022-07-23 00:31:21,429 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:31:21,429 INFO L195 NwaCegarLoop]: trace histogram [18, 17, 17, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:31:21,476 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-23 00:31:21,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:31:21,656 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:31:21,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:31:21,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1377064145, now seen corresponding path program 1 times [2022-07-23 00:31:21,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:31:21,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273744542] [2022-07-23 00:31:21,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:31:21,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:31:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:31:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:31:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:31:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:31:22,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:31:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:31:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:31:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:31:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:31:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:31:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:31:22,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:31:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-23 00:31:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:31:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-23 00:31:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 00:31:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-23 00:31:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-23 00:31:22,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-23 00:31:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-23 00:31:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-23 00:31:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:31:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:31:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 00:31:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-23 00:31:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:31:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:31:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-23 00:31:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-23 00:31:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-23 00:31:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:23,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:31:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-23 00:31:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:23,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-23 00:31:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1982 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-07-23 00:31:23,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:31:23,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273744542] [2022-07-23 00:31:23,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273744542] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:31:23,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47784477] [2022-07-23 00:31:23,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:31:23,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:31:23,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:31:23,058 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:31:23,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 00:31:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:27,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 4227 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-23 00:31:27,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:31:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1982 backedges. 496 proven. 3 refuted. 0 times theorem prover too weak. 1483 trivial. 0 not checked. [2022-07-23 00:31:27,810 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:31:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1982 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 1859 trivial. 0 not checked. [2022-07-23 00:31:28,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47784477] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:31:28,465 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:31:28,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 21 [2022-07-23 00:31:28,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34004033] [2022-07-23 00:31:28,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:31:28,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-23 00:31:28,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:31:28,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-23 00:31:28,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2022-07-23 00:31:28,468 INFO L87 Difference]: Start difference. First operand 4138 states and 5860 transitions. Second operand has 21 states, 19 states have (on average 10.736842105263158) internal successors, (204), 16 states have internal predecessors, (204), 4 states have call successors, (100), 7 states have call predecessors, (100), 6 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2022-07-23 00:31:52,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:31:52,718 INFO L93 Difference]: Finished difference Result 9124 states and 13239 transitions. [2022-07-23 00:31:52,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-23 00:31:52,719 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 10.736842105263158) internal successors, (204), 16 states have internal predecessors, (204), 4 states have call successors, (100), 7 states have call predecessors, (100), 6 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) Word has length 476 [2022-07-23 00:31:52,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:31:52,745 INFO L225 Difference]: With dead ends: 9124 [2022-07-23 00:31:52,745 INFO L226 Difference]: Without dead ends: 5012 [2022-07-23 00:31:52,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1122 GetRequests, 1083 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=220, Invalid=1262, Unknown=0, NotChecked=0, Total=1482 [2022-07-23 00:31:52,761 INFO L413 NwaCegarLoop]: 2010 mSDtfsCounter, 2467 mSDsluCounter, 14846 mSDsCounter, 0 mSdLazyCounter, 18780 mSolverCounterSat, 1778 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2649 SdHoareTripleChecker+Valid, 16856 SdHoareTripleChecker+Invalid, 20558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1778 IncrementalHoareTripleChecker+Valid, 18780 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:31:52,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2649 Valid, 16856 Invalid, 20558 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1778 Valid, 18780 Invalid, 0 Unknown, 0 Unchecked, 23.2s Time] [2022-07-23 00:31:52,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5012 states. [2022-07-23 00:31:52,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5012 to 4141. [2022-07-23 00:31:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4141 states, 2957 states have (on average 1.3479878254988165) internal successors, (3986), 3014 states have internal predecessors, (3986), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 900 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-23 00:31:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 4141 states and 5863 transitions. [2022-07-23 00:31:52,988 INFO L78 Accepts]: Start accepts. Automaton has 4141 states and 5863 transitions. Word has length 476 [2022-07-23 00:31:52,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:31:52,989 INFO L495 AbstractCegarLoop]: Abstraction has 4141 states and 5863 transitions. [2022-07-23 00:31:52,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 10.736842105263158) internal successors, (204), 16 states have internal predecessors, (204), 4 states have call successors, (100), 7 states have call predecessors, (100), 6 states have return successors, (67), 4 states have call predecessors, (67), 4 states have call successors, (67) [2022-07-23 00:31:52,989 INFO L276 IsEmpty]: Start isEmpty. Operand 4141 states and 5863 transitions. [2022-07-23 00:31:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-23 00:31:53,003 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:31:53,004 INFO L195 NwaCegarLoop]: trace histogram [27, 17, 17, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:31:53,058 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 00:31:53,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:31:53,220 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:31:53,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:31:53,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1955286989, now seen corresponding path program 2 times [2022-07-23 00:31:53,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:31:53,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964871976] [2022-07-23 00:31:53,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:31:53,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:31:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:31:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:31:54,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:31:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:31:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:31:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:31:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:31:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:31:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:31:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:31:54,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:31:54,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:31:54,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 00:31:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 00:31:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 00:31:54,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 00:31:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 00:31:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 00:31:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 00:31:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 00:31:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 00:31:54,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:31:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:31:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 00:31:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 00:31:54,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:31:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:54,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:31:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-07-23 00:31:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-23 00:31:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-07-23 00:31:54,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:31:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2022-07-23 00:31:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-23 00:31:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:54,959 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 2079 trivial. 0 not checked. [2022-07-23 00:31:54,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:31:54,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964871976] [2022-07-23 00:31:54,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964871976] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:31:54,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710583685] [2022-07-23 00:31:54,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 00:31:54,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:31:54,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:31:54,961 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:31:54,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 00:31:56,481 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-07-23 00:31:56,481 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:31:56,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 1824 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-23 00:31:56,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:31:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2261 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2261 trivial. 0 not checked. [2022-07-23 00:31:56,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:31:56,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710583685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:31:56,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:31:56,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2022-07-23 00:31:56,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631272134] [2022-07-23 00:31:56,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:31:56,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:31:56,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:31:56,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:31:56,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2022-07-23 00:31:56,686 INFO L87 Difference]: Start difference. First operand 4141 states and 5863 transitions. Second operand has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-23 00:31:57,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:31:57,339 INFO L93 Difference]: Finished difference Result 8004 states and 11372 transitions. [2022-07-23 00:31:57,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-23 00:31:57,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 485 [2022-07-23 00:31:57,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:31:57,360 INFO L225 Difference]: With dead ends: 8004 [2022-07-23 00:31:57,360 INFO L226 Difference]: Without dead ends: 4163 [2022-07-23 00:31:57,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 642 GetRequests, 624 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2022-07-23 00:31:57,374 INFO L413 NwaCegarLoop]: 2314 mSDtfsCounter, 13 mSDsluCounter, 6915 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 9229 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:31:57,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 9229 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 00:31:57,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4163 states. [2022-07-23 00:31:57,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4163 to 4141. [2022-07-23 00:31:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4141 states, 2957 states have (on average 1.3479878254988165) internal successors, (3986), 3014 states have internal predecessors, (3986), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 900 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-23 00:31:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4141 states to 4141 states and 5863 transitions. [2022-07-23 00:31:57,578 INFO L78 Accepts]: Start accepts. Automaton has 4141 states and 5863 transitions. Word has length 485 [2022-07-23 00:31:57,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:31:57,579 INFO L495 AbstractCegarLoop]: Abstraction has 4141 states and 5863 transitions. [2022-07-23 00:31:57,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.2) internal successors, (126), 5 states have internal predecessors, (126), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-23 00:31:57,579 INFO L276 IsEmpty]: Start isEmpty. Operand 4141 states and 5863 transitions. [2022-07-23 00:31:57,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2022-07-23 00:31:57,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:31:57,592 INFO L195 NwaCegarLoop]: trace histogram [27, 17, 17, 17, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:31:57,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-23 00:31:57,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:31:57,816 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:31:57,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:31:57,816 INFO L85 PathProgramCache]: Analyzing trace with hash 612196623, now seen corresponding path program 1 times [2022-07-23 00:31:57,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:31:57,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305445066] [2022-07-23 00:31:57,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:31:57,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:31:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:31:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:31:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:31:58,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:31:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:31:58,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:31:58,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:31:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:31:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:31:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:31:58,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:31:58,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:31:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 00:31:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 00:31:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 00:31:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 00:31:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 00:31:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 00:31:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 00:31:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 00:31:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 00:31:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:31:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:31:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 00:31:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:31:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 00:31:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:31:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:31:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:31:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:31:58,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 00:31:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 00:31:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 00:31:58,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-23 00:31:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-23 00:31:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 00:31:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-23 00:31:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-23 00:31:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-07-23 00:31:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:31:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2022-07-23 00:31:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-23 00:31:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:31:58,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2268 trivial. 0 not checked. [2022-07-23 00:31:58,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:31:58,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305445066] [2022-07-23 00:31:58,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305445066] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:31:58,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:31:58,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 00:31:58,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688329] [2022-07-23 00:31:58,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:31:58,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 00:31:58,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:31:58,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 00:31:58,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-07-23 00:31:58,735 INFO L87 Difference]: Start difference. First operand 4141 states and 5863 transitions. Second operand has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (50), 7 states have call predecessors, (50), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-23 00:32:09,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:10,392 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:32:13,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:32:13,987 INFO L93 Difference]: Finished difference Result 8873 states and 12884 transitions. [2022-07-23 00:32:13,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 00:32:13,988 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (50), 7 states have call predecessors, (50), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 520 [2022-07-23 00:32:13,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:32:14,011 INFO L225 Difference]: With dead ends: 8873 [2022-07-23 00:32:14,012 INFO L226 Difference]: Without dead ends: 5032 [2022-07-23 00:32:14,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2022-07-23 00:32:14,030 INFO L413 NwaCegarLoop]: 2014 mSDtfsCounter, 2457 mSDsluCounter, 8282 mSDsCounter, 0 mSdLazyCounter, 10171 mSolverCounterSat, 1741 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2643 SdHoareTripleChecker+Valid, 10296 SdHoareTripleChecker+Invalid, 11912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1741 IncrementalHoareTripleChecker+Valid, 10171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:32:14,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2643 Valid, 10296 Invalid, 11912 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1741 Valid, 10171 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2022-07-23 00:32:14,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5032 states. [2022-07-23 00:32:14,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5032 to 4149. [2022-07-23 00:32:14,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4149 states, 2965 states have (on average 1.3470489038785836) internal successors, (3994), 3020 states have internal predecessors, (3994), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 902 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-23 00:32:14,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4149 states to 4149 states and 5871 transitions. [2022-07-23 00:32:14,243 INFO L78 Accepts]: Start accepts. Automaton has 4149 states and 5871 transitions. Word has length 520 [2022-07-23 00:32:14,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:32:14,244 INFO L495 AbstractCegarLoop]: Abstraction has 4149 states and 5871 transitions. [2022-07-23 00:32:14,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 6 states have internal predecessors, (146), 2 states have call successors, (50), 7 states have call predecessors, (50), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2022-07-23 00:32:14,245 INFO L276 IsEmpty]: Start isEmpty. Operand 4149 states and 5871 transitions. [2022-07-23 00:32:14,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 541 [2022-07-23 00:32:14,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:32:14,257 INFO L195 NwaCegarLoop]: trace histogram [27, 19, 19, 19, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:32:14,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-23 00:32:14,257 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:32:14,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:32:14,258 INFO L85 PathProgramCache]: Analyzing trace with hash -723487094, now seen corresponding path program 1 times [2022-07-23 00:32:14,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:32:14,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842620752] [2022-07-23 00:32:14,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:32:14,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:32:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:32:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:32:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:32:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:32:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:32:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:32:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:32:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:32:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:32:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:32:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:32:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:32:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:32:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 00:32:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-23 00:32:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-07-23 00:32:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-07-23 00:32:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-23 00:32:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-07-23 00:32:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-07-23 00:32:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-07-23 00:32:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 00:32:15,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:32:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:32:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:32:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-23 00:32:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:15,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 00:32:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:32:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:32:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:32:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-23 00:32:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-07-23 00:32:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2022-07-23 00:32:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-07-23 00:32:16,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-23 00:32:16,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 00:32:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:32:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:32:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:32:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-23 00:32:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-23 00:32:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-07-23 00:32:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:32:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-23 00:32:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-23 00:32:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 2254 trivial. 0 not checked. [2022-07-23 00:32:16,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:32:16,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842620752] [2022-07-23 00:32:16,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842620752] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:32:16,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793421549] [2022-07-23 00:32:16,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:32:16,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:32:16,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:32:16,151 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:32:16,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 00:32:21,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:21,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 4818 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-23 00:32:21,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:32:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 648 proven. 6 refuted. 0 times theorem prover too weak. 1782 trivial. 0 not checked. [2022-07-23 00:32:21,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:32:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 2436 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 2254 trivial. 0 not checked. [2022-07-23 00:32:21,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793421549] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 00:32:21,980 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 00:32:21,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 23 [2022-07-23 00:32:21,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483408354] [2022-07-23 00:32:21,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 00:32:21,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-23 00:32:21,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:32:21,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-23 00:32:21,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2022-07-23 00:32:21,983 INFO L87 Difference]: Start difference. First operand 4149 states and 5871 transitions. Second operand has 23 states, 21 states have (on average 11.095238095238095) internal successors, (233), 18 states have internal predecessors, (233), 4 states have call successors, (115), 7 states have call predecessors, (115), 6 states have return successors, (79), 4 states have call predecessors, (79), 4 states have call successors, (79) [2022-07-23 00:32:41,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:32:41,193 INFO L93 Difference]: Finished difference Result 9146 states and 13261 transitions. [2022-07-23 00:32:41,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-23 00:32:41,197 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 11.095238095238095) internal successors, (233), 18 states have internal predecessors, (233), 4 states have call successors, (115), 7 states have call predecessors, (115), 6 states have return successors, (79), 4 states have call predecessors, (79), 4 states have call successors, (79) Word has length 540 [2022-07-23 00:32:41,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:32:41,220 INFO L225 Difference]: With dead ends: 9146 [2022-07-23 00:32:41,220 INFO L226 Difference]: Without dead ends: 5023 [2022-07-23 00:32:41,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1271 GetRequests, 1229 SyntacticMatches, 3 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=241, Invalid=1399, Unknown=0, NotChecked=0, Total=1640 [2022-07-23 00:32:41,235 INFO L413 NwaCegarLoop]: 1987 mSDtfsCounter, 2469 mSDsluCounter, 12596 mSDsCounter, 0 mSdLazyCounter, 15805 mSolverCounterSat, 1802 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2650 SdHoareTripleChecker+Valid, 14583 SdHoareTripleChecker+Invalid, 17607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1802 IncrementalHoareTripleChecker+Valid, 15805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-07-23 00:32:41,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2650 Valid, 14583 Invalid, 17607 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1802 Valid, 15805 Invalid, 0 Unknown, 0 Unchecked, 18.2s Time] [2022-07-23 00:32:41,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5023 states. [2022-07-23 00:32:41,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5023 to 4152. [2022-07-23 00:32:41,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4152 states, 2968 states have (on average 1.346698113207547) internal successors, (3997), 3023 states have internal predecessors, (3997), 908 states have call successors, (908), 263 states have call predecessors, (908), 275 states have return successors, (969), 902 states have call predecessors, (969), 906 states have call successors, (969) [2022-07-23 00:32:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4152 states to 4152 states and 5874 transitions. [2022-07-23 00:32:41,445 INFO L78 Accepts]: Start accepts. Automaton has 4152 states and 5874 transitions. Word has length 540 [2022-07-23 00:32:41,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:32:41,445 INFO L495 AbstractCegarLoop]: Abstraction has 4152 states and 5874 transitions. [2022-07-23 00:32:41,446 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 11.095238095238095) internal successors, (233), 18 states have internal predecessors, (233), 4 states have call successors, (115), 7 states have call predecessors, (115), 6 states have return successors, (79), 4 states have call predecessors, (79), 4 states have call successors, (79) [2022-07-23 00:32:41,446 INFO L276 IsEmpty]: Start isEmpty. Operand 4152 states and 5874 transitions. [2022-07-23 00:32:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2022-07-23 00:32:41,460 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:32:41,461 INFO L195 NwaCegarLoop]: trace histogram [36, 19, 19, 19, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:32:41,523 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-23 00:32:41,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:32:41,675 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:32:41,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:32:41,675 INFO L85 PathProgramCache]: Analyzing trace with hash -2048148090, now seen corresponding path program 2 times [2022-07-23 00:32:41,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:32:41,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757034602] [2022-07-23 00:32:41,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:32:41,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:32:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:32:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:32:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:32:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:32:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:32:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:32:42,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:32:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:32:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:32:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:32:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:32:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-07-23 00:32:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-23 00:32:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-07-23 00:32:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:42,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-23 00:32:43,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 00:32:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-07-23 00:32:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:32:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-23 00:32:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-23 00:32:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-23 00:32:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 00:32:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:32:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:32:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:32:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-23 00:32:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:32:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 00:32:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:32:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:32:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:32:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-23 00:32:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2022-07-23 00:32:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2022-07-23 00:32:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2022-07-23 00:32:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2022-07-23 00:32:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-23 00:32:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:32:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 00:32:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:32:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 00:32:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-23 00:32:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2022-07-23 00:32:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-07-23 00:32:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 00:32:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-23 00:32:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2022-07-23 00:32:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:32:43,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2796 backedges. 31 proven. 227 refuted. 0 times theorem prover too weak. 2538 trivial. 0 not checked. [2022-07-23 00:32:43,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:32:43,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757034602] [2022-07-23 00:32:43,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757034602] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:32:43,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141069470] [2022-07-23 00:32:43,401 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 00:32:43,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:32:43,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:32:43,402 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 00:32:43,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-23 00:32:47,226 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 00:32:47,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 00:32:47,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 4953 conjuncts, 221 conjunts are in the unsatisfiable core [2022-07-23 00:32:47,303 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:32:47,382 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-23 00:32:47,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:47,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:47,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:47,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:47,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:48,014 INFO L356 Elim1Store]: treesize reduction 527, result has 16.2 percent of original size [2022-07-23 00:32:48,014 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 8 case distinctions, treesize of input 33 treesize of output 110 [2022-07-23 00:32:48,143 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 00:32:48,203 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 00:32:48,214 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 00:32:48,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-23 00:32:48,420 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-23 00:32:48,421 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-23 00:32:48,536 INFO L356 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2022-07-23 00:32:48,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 17 [2022-07-23 00:32:48,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:48,542 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2022-07-23 00:32:48,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:48,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:48,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:48,832 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2022-07-23 00:32:48,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:48,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:48,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:48,844 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-07-23 00:32:49,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:49,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:49,027 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 23 [2022-07-23 00:32:49,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:49,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:49,038 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 25 [2022-07-23 00:32:49,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:49,051 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 24 [2022-07-23 00:32:49,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:49,059 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 22 [2022-07-23 00:32:49,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-23 00:32:49,286 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-23 00:32:50,863 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_9351 Int) (v_ArrVal_9353 Int) (v_ArrVal_9354 Int) (INIT_LIST_HEAD_~list.offset Int) (v_ArrVal_9355 Int)) (let ((.cse0 (+ 8 INIT_LIST_HEAD_~list.offset))) (and (= (store |c_old(#memory_$Pointer$.base)| |c_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_$Pointer$.base)| |c_INIT_LIST_HEAD_#in~list.base|) INIT_LIST_HEAD_~list.offset v_ArrVal_9351) .cse0 v_ArrVal_9353)) |c_#memory_$Pointer$.base|) (= |c_#memory_$Pointer$.offset| (store |c_old(#memory_$Pointer$.offset)| |c_INIT_LIST_HEAD_#in~list.base| (store (store (select |c_old(#memory_$Pointer$.offset)| |c_INIT_LIST_HEAD_#in~list.base|) INIT_LIST_HEAD_~list.offset v_ArrVal_9354) .cse0 v_ArrVal_9355))) (<= |c_INIT_LIST_HEAD_#in~list.offset| INIT_LIST_HEAD_~list.offset)))) is different from true [2022-07-23 00:32:50,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:50,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:50,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:50,891 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2022-07-23 00:32:50,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:50,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:50,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:50,899 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-07-23 00:32:50,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:50,919 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-07-23 00:32:50,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:50,926 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-07-23 00:32:51,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:51,238 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2022-07-23 00:32:51,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:51,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-07-23 00:32:51,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:51,257 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 30 [2022-07-23 00:32:51,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:51,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-07-23 00:32:51,276 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-07-23 00:32:51,277 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 50 [2022-07-23 00:32:51,285 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-07-23 00:32:51,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:51,479 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-23 00:32:51,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-23 00:32:51,488 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 29 [2022-07-23 00:32:51,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-23 00:32:51,790 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-07-23 00:32:51,790 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 14 [2022-07-23 00:32:51,795 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-23 00:32:51,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-07-23 00:32:51,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2796 backedges. 328 proven. 24 refuted. 0 times theorem prover too weak. 2442 trivial. 2 not checked. [2022-07-23 00:32:51,848 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 00:32:52,042 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (= (mod (+ 112 |c_multipath_ctr_~m~5#1.base| |c_multipath_ctr_~m~5#1.offset|) 18446744073709551616) (mod (let ((.cse0 (+ 112 |c_multipath_ctr_~m~5#1.offset|))) (+ (select (select (store |c_#memory_$Pointer$.base| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_~m~5#1.base|) .cse0) (select (select (store |c_#memory_$Pointer$.offset| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_~m~5#1.base|) .cse0))) 18446744073709551616)) (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)))) is different from false [2022-07-23 00:32:52,057 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)) (= (mod (let ((.cse0 (+ 112 |c_multipath_ctr_alloc_multipath_#res#1.offset|))) (+ (select (select (store |c_#memory_$Pointer$.base| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_alloc_multipath_#res#1.base|) .cse0) (select (select (store |c_#memory_$Pointer$.offset| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_alloc_multipath_#res#1.base|) .cse0))) 18446744073709551616) (mod (+ 112 |c_multipath_ctr_alloc_multipath_#res#1.offset| |c_multipath_ctr_alloc_multipath_#res#1.base|) 18446744073709551616)))) is different from false [2022-07-23 00:32:52,073 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (= (mod (let ((.cse0 (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|))) (+ (select (select (store |c_#memory_$Pointer$.offset| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0) (select (select (store |c_#memory_$Pointer$.base| |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0))) 18446744073709551616) (mod (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.base| |c_multipath_ctr_alloc_multipath_~m~1#1.offset|) 18446744073709551616)) (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)))) is different from false [2022-07-23 00:32:52,093 WARN L833 $PredicateComparison]: unable to prove that (forall ((|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9370 Int) (v_ArrVal_9371 (Array Int Int)) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9365 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (= (mod (let ((.cse0 (+ 16 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|)) (.cse1 (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|))) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_multipath_ctr_alloc_multipath_~m~1#1.base| (store (select |c_#memory_$Pointer$.offset| |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0 v_ArrVal_9370)) |c_multipath_ctr_alloc_multipath_~ti#1.base| v_ArrVal_9371) |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse1) (select (select (store (store (store |c_#memory_$Pointer$.base| |c_multipath_ctr_alloc_multipath_~m~1#1.base| (store (select |c_#memory_$Pointer$.base| |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0 |c_multipath_ctr_alloc_multipath_~ti#1.base|)) |c_multipath_ctr_alloc_multipath_~ti#1.base| v_ArrVal_9365) |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse1))) 18446744073709551616) (mod (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.base| |c_multipath_ctr_alloc_multipath_~m~1#1.offset|) 18446744073709551616)) (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)))) is different from false [2022-07-23 00:32:52,117 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9362 Int) (|v_multipath_ctr_parse_features_~#_args~3#1.base_18| Int) (v_ArrVal_9370 Int) (v_ArrVal_9361 Int) (v_ArrVal_9371 (Array Int Int)) (v_ArrVal_9383 (Array Int Int)) (v_ArrVal_9365 (Array Int Int)) (v_ArrVal_9384 (Array Int Int))) (or (= (mod (let ((.cse0 (+ |c_multipath_ctr_alloc_multipath_~m~1#1.offset| 349)) (.cse1 (+ 16 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|)) (.cse2 (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.offset|))) (+ (select (select (store (store (store |c_#memory_$Pointer$.offset| |c_multipath_ctr_alloc_multipath_~m~1#1.base| (store (store (select |c_#memory_$Pointer$.offset| |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0 v_ArrVal_9362) .cse1 v_ArrVal_9370)) |c_multipath_ctr_alloc_multipath_~ti#1.base| v_ArrVal_9371) |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9383) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse2) (select (select (store (store (store |c_#memory_$Pointer$.base| |c_multipath_ctr_alloc_multipath_~m~1#1.base| (store (store (select |c_#memory_$Pointer$.base| |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse0 v_ArrVal_9361) .cse1 |c_multipath_ctr_alloc_multipath_~ti#1.base|)) |c_multipath_ctr_alloc_multipath_~ti#1.base| v_ArrVal_9365) |v_multipath_ctr_parse_features_~#_args~3#1.base_18| v_ArrVal_9384) |c_multipath_ctr_alloc_multipath_~m~1#1.base|) .cse2))) 18446744073709551616) (mod (+ 112 |c_multipath_ctr_alloc_multipath_~m~1#1.base| |c_multipath_ctr_alloc_multipath_~m~1#1.offset|) 18446744073709551616)) (not (< |c_#StackHeapBarrier| |v_multipath_ctr_parse_features_~#_args~3#1.base_18|)))) is different from false [2022-07-23 00:32:52,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141069470] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:32:52,179 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 00:32:52,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 33] total 46 [2022-07-23 00:32:52,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494508399] [2022-07-23 00:32:52,179 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 00:32:52,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-07-23 00:32:52,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:32:52,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-07-23 00:32:52,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=2133, Unknown=6, NotChecked=582, Total=2862 [2022-07-23 00:32:52,182 INFO L87 Difference]: Start difference. First operand 4152 states and 5874 transitions. Second operand has 46 states, 45 states have (on average 6.177777777777778) internal successors, (278), 35 states have internal predecessors, (278), 14 states have call successors, (101), 14 states have call predecessors, (101), 12 states have return successors, (78), 13 states have call predecessors, (78), 13 states have call successors, (78)