./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-cache.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.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 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 00:16:11,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 00:16:11,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 00:16:11,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 00:16:11,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 00:16:11,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 00:16:11,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 00:16:11,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 00:16:11,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 00:16:11,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 00:16:11,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 00:16:11,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 00:16:11,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 00:16:11,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 00:16:11,256 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 00:16:11,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 00:16:11,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 00:16:11,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 00:16:11,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 00:16:11,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 00:16:11,269 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 00:16:11,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 00:16:11,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 00:16:11,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 00:16:11,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 00:16:11,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 00:16:11,277 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 00:16:11,277 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 00:16:11,278 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 00:16:11,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 00:16:11,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 00:16:11,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 00:16:11,280 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 00:16:11,281 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 00:16:11,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 00:16:11,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 00:16:11,283 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 00:16:11,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 00:16:11,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 00:16:11,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 00:16:11,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 00:16:11,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 00:16:11,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 00:16:11,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 00:16:11,309 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 00:16:11,310 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 00:16:11,310 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 00:16:11,311 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 00:16:11,311 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 00:16:11,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 00:16:11,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 00:16:11,312 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 00:16:11,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 00:16:11,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 00:16:11,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 00:16:11,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 00:16:11,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 00:16:11,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 00:16:11,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 00:16:11,313 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 00:16:11,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 00:16:11,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 00:16:11,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 00:16:11,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 00:16:11,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:16:11,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 00:16:11,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 00:16:11,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 00:16:11,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 00:16:11,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 00:16:11,316 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 00:16:11,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 00:16:11,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 00:16:11,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 [2022-07-20 00:16:11,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 00:16:11,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 00:16:11,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 00:16:11,513 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 00:16:11,514 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 00:16:11,515 INFO L432 ainManager$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-cache.ko-entry_point.cil.out.i [2022-07-20 00:16:11,559 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f90ebcc/02f99b4b38cc4722add3d9adab550900/FLAGfce77059f [2022-07-20 00:16:12,242 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 00:16:12,242 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-cache.ko-entry_point.cil.out.i [2022-07-20 00:16:12,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f90ebcc/02f99b4b38cc4722add3d9adab550900/FLAGfce77059f [2022-07-20 00:16:12,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91f90ebcc/02f99b4b38cc4722add3d9adab550900 [2022-07-20 00:16:12,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 00:16:12,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 00:16:12,608 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 00:16:12,608 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 00:16:12,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 00:16:12,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:16:12" (1/1) ... [2022-07-20 00:16:12,612 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@747962f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:12, skipping insertion in model container [2022-07-20 00:16:12,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 12:16:12" (1/1) ... [2022-07-20 00:16:12,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 00:16:12,732 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 00:16:15,983 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-cache.ko-entry_point.cil.out.i[376341,376354] [2022-07-20 00:16:16,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:16:16,080 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 00:16:16,372 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-cache.ko-entry_point.cil.out.i[376341,376354] [2022-07-20 00:16:16,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 00:16:16,553 INFO L208 MainTranslator]: Completed translation [2022-07-20 00:16:16,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16 WrapperNode [2022-07-20 00:16:16,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 00:16:16,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 00:16:16,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 00:16:16,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 00:16:16,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:16,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:16,884 INFO L137 Inliner]: procedures = 595, calls = 3937, calls flagged for inlining = 264, calls inlined = 257, statements flattened = 9795 [2022-07-20 00:16:16,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 00:16:16,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 00:16:16,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 00:16:16,886 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 00:16:16,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:16,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:16,946 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:16,946 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:17,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:17,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:17,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:17,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 00:16:17,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 00:16:17,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 00:16:17,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 00:16:17,273 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (1/1) ... [2022-07-20 00:16:17,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 00:16:17,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:16:17,385 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 00:16:17,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 00:16:17,441 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-07-20 00:16:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-07-20 00:16:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-20 00:16:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-20 00:16:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 00:16:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 00:16:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-20 00:16:17,442 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-20 00:16:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-20 00:16:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-20 00:16:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-07-20 00:16:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-07-20 00:16:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-07-20 00:16:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-07-20 00:16:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-20 00:16:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-20 00:16:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-20 00:16:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-20 00:16:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-20 00:16:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-07-20 00:16:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-07-20 00:16:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 00:16:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 00:16:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-07-20 00:16:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-07-20 00:16:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-07-20 00:16:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-07-20 00:16:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-20 00:16:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-20 00:16:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-20 00:16:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-20 00:16:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-07-20 00:16:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-07-20 00:16:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-07-20 00:16:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-07-20 00:16:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 00:16:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 00:16:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-07-20 00:16:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-07-20 00:16:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-07-20 00:16:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-07-20 00:16:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-20 00:16:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-20 00:16:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-07-20 00:16:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-07-20 00:16:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-07-20 00:16:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-07-20 00:16:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-07-20 00:16:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-20 00:16:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-20 00:16:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-20 00:16:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-20 00:16:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-07-20 00:16:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-07-20 00:16:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-07-20 00:16:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-07-20 00:16:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:16:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:16:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-07-20 00:16:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-07-20 00:16:17,451 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-07-20 00:16:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-07-20 00:16:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 00:16:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 00:16:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-07-20 00:16:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-07-20 00:16:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-07-20 00:16:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-07-20 00:16:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-07-20 00:16:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-07-20 00:16:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-07-20 00:16:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-07-20 00:16:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-07-20 00:16:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-07-20 00:16:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-07-20 00:16:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-07-20 00:16:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 00:16:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 00:16:17,456 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-07-20 00:16:17,456 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-07-20 00:16:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-07-20 00:16:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-07-20 00:16:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-07-20 00:16:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-07-20 00:16:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-07-20 00:16:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-07-20 00:16:17,457 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-07-20 00:16:17,457 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-07-20 00:16:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 00:16:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 00:16:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-20 00:16:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-07-20 00:16:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-07-20 00:16:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-07-20 00:16:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-07-20 00:16:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 00:16:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 00:16:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 00:16:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 00:16:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-20 00:16:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-20 00:16:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 00:16:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-07-20 00:16:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-07-20 00:16:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-07-20 00:16:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-07-20 00:16:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 00:16:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 00:16:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-07-20 00:16:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-07-20 00:16:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-07-20 00:16:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-07-20 00:16:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 00:16:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 00:16:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-20 00:16:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-20 00:16:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 00:16:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-07-20 00:16:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-07-20 00:16:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-07-20 00:16:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-07-20 00:16:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 00:16:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 00:16:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-07-20 00:16:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-07-20 00:16:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-07-20 00:16:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-07-20 00:16:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 00:16:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-20 00:16:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-20 00:16:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-20 00:16:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-20 00:16:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-07-20 00:16:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-07-20 00:16:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-07-20 00:16:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-07-20 00:16:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 00:16:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-07-20 00:16:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-07-20 00:16:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-20 00:16:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-20 00:16:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 00:16:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 00:16:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-07-20 00:16:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-07-20 00:16:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-07-20 00:16:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-07-20 00:16:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-07-20 00:16:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-07-20 00:16:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-20 00:16:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-20 00:16:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-07-20 00:16:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-07-20 00:16:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-07-20 00:16:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-07-20 00:16:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-20 00:16:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-20 00:16:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-07-20 00:16:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-07-20 00:16:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-07-20 00:16:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-07-20 00:16:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2022-07-20 00:16:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2022-07-20 00:16:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-20 00:16:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-20 00:16:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-07-20 00:16:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-07-20 00:16:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-07-20 00:16:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-07-20 00:16:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-07-20 00:16:17,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-07-20 00:16:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 00:16:17,477 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-20 00:16:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-20 00:16:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-07-20 00:16:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-07-20 00:16:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 00:16:17,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 00:16:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 00:16:17,478 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-20 00:16:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-20 00:16:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-20 00:16:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-20 00:16:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-20 00:16:17,479 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-20 00:16:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 00:16:17,479 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:16:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 00:16:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-07-20 00:16:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-07-20 00:16:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-20 00:16:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-20 00:16:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-07-20 00:16:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-07-20 00:16:17,480 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-07-20 00:16:17,480 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-07-20 00:16:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-07-20 00:16:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-07-20 00:16:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-20 00:16:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-20 00:16:17,481 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-07-20 00:16:17,481 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-07-20 00:16:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-07-20 00:16:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-07-20 00:16:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 00:16:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 00:16:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-20 00:16:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-20 00:16:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-07-20 00:16:17,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-07-20 00:16:17,482 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 00:16:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 00:16:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-07-20 00:16:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-07-20 00:16:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-07-20 00:16:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-07-20 00:16:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-07-20 00:16:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-07-20 00:16:17,483 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-07-20 00:16:17,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-07-20 00:16:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-07-20 00:16:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-07-20 00:16:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-20 00:16:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-20 00:16:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-07-20 00:16:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-07-20 00:16:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 00:16:17,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 00:16:17,484 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 00:16:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 00:16:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-07-20 00:16:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-07-20 00:16:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-07-20 00:16:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-07-20 00:16:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-07-20 00:16:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-07-20 00:16:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-07-20 00:16:17,485 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-07-20 00:16:17,485 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 00:16:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 00:16:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-07-20 00:16:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-07-20 00:16:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 00:16:17,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 00:16:17,486 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-07-20 00:16:17,487 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-07-20 00:16:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-20 00:16:17,489 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-20 00:16:17,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_11 [2022-07-20 00:16:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_11 [2022-07-20 00:16:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-07-20 00:16:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-07-20 00:16:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-20 00:16:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-20 00:16:17,490 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-20 00:16:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-20 00:16:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-07-20 00:16:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-07-20 00:16:17,491 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-07-20 00:16:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-07-20 00:16:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-07-20 00:16:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-07-20 00:16:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 00:16:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 00:16:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 00:16:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 00:16:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-07-20 00:16:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-07-20 00:16:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-07-20 00:16:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-07-20 00:16:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-20 00:16:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-20 00:16:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-07-20 00:16:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-07-20 00:16:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-07-20 00:16:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-07-20 00:16:17,493 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-07-20 00:16:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-07-20 00:16:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-07-20 00:16:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-07-20 00:16:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-07-20 00:16:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-07-20 00:16:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-20 00:16:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-20 00:16:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-20 00:16:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-20 00:16:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-20 00:16:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-20 00:16:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-07-20 00:16:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-07-20 00:16:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-07-20 00:16:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-07-20 00:16:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 00:16:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 00:16:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-07-20 00:16:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-07-20 00:16:17,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-20 00:16:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-20 00:16:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-20 00:16:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-20 00:16:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-07-20 00:16:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-07-20 00:16:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 00:16:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 00:16:17,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 00:16:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 00:16:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-07-20 00:16:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-07-20 00:16:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-20 00:16:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-20 00:16:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-20 00:16:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-20 00:16:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-20 00:16:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-20 00:16:17,497 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-07-20 00:16:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-07-20 00:16:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-07-20 00:16:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-07-20 00:16:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-20 00:16:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-20 00:16:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-07-20 00:16:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-07-20 00:16:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-20 00:16:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-20 00:16:17,498 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-07-20 00:16:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-07-20 00:16:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-20 00:16:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-20 00:16:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 00:16:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 00:16:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 00:16:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 00:16:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 00:16:17,499 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-20 00:16:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-20 00:16:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-07-20 00:16:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-07-20 00:16:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 00:16:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-20 00:16:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-20 00:16:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-20 00:16:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-20 00:16:17,500 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-07-20 00:16:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-07-20 00:16:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-07-20 00:16:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-07-20 00:16:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-20 00:16:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-20 00:16:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-07-20 00:16:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-07-20 00:16:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-20 00:16:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-20 00:16:17,501 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-07-20 00:16:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-07-20 00:16:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 00:16:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-20 00:16:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-20 00:16:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-07-20 00:16:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-07-20 00:16:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 00:16:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 00:16:17,502 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-20 00:16:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-20 00:16:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 00:16:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 00:16:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-07-20 00:16:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-07-20 00:16:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-20 00:16:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-20 00:16:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 00:16:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 00:16:17,503 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-07-20 00:16:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-07-20 00:16:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-20 00:16:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-20 00:16:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-20 00:16:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-20 00:16:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-20 00:16:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-20 00:16:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-07-20 00:16:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-07-20 00:16:17,504 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-07-20 00:16:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-07-20 00:16:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-07-20 00:16:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-07-20 00:16:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-20 00:16:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-20 00:16:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-07-20 00:16:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-07-20 00:16:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-20 00:16:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-20 00:16:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-07-20 00:16:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-07-20 00:16:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-07-20 00:16:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-07-20 00:16:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-20 00:16:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-20 00:16:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-07-20 00:16:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-07-20 00:16:17,506 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-07-20 00:16:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-07-20 00:16:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-07-20 00:16:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-07-20 00:16:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-20 00:16:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-20 00:16:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-07-20 00:16:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-07-20 00:16:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-20 00:16:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-20 00:16:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 00:16:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 00:16:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-07-20 00:16:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-07-20 00:16:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-07-20 00:16:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 00:16:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 00:16:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-20 00:16:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-20 00:16:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 00:16:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-07-20 00:16:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-07-20 00:16:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-07-20 00:16:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-07-20 00:16:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 00:16:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 00:16:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-07-20 00:16:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-07-20 00:16:17,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-20 00:16:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-20 00:16:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-20 00:16:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-20 00:16:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-07-20 00:16:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-07-20 00:16:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 00:16:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 00:16:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-07-20 00:16:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-07-20 00:16:17,510 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-07-20 00:16:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-07-20 00:16:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-20 00:16:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-20 00:16:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-07-20 00:16:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-07-20 00:16:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-07-20 00:16:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-07-20 00:16:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-20 00:16:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-20 00:16:17,511 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-07-20 00:16:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-07-20 00:16:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-20 00:16:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-20 00:16:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 00:16:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 00:16:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-20 00:16:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-20 00:16:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-07-20 00:16:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-07-20 00:16:17,512 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-20 00:16:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-20 00:16:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-20 00:16:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-20 00:16:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-07-20 00:16:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-07-20 00:16:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-07-20 00:16:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-07-20 00:16:17,513 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-20 00:16:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-20 00:16:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-20 00:16:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-20 00:16:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-20 00:16:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-20 00:16:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-07-20 00:16:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-07-20 00:16:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-07-20 00:16:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-07-20 00:16:17,514 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-07-20 00:16:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-07-20 00:16:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-20 00:16:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-07-20 00:16:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-07-20 00:16:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-20 00:16:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-20 00:16:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-20 00:16:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-20 00:16:17,515 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-07-20 00:16:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-07-20 00:16:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 00:16:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 00:16:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:16:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-20 00:16:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-20 00:16:17,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-20 00:16:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-07-20 00:16:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-07-20 00:16:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-07-20 00:16:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-07-20 00:16:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-07-20 00:16:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-07-20 00:16:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 00:16:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-07-20 00:16:17,519 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-07-20 00:16:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-20 00:16:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-20 00:16:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-20 00:16:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-20 00:16:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-20 00:16:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-20 00:16:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-20 00:16:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-20 00:16:17,520 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-20 00:16:18,621 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 00:16:18,640 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 00:16:19,177 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 00:16:26,241 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 00:16:26,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 00:16:26,266 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 00:16:26,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:16:26 BoogieIcfgContainer [2022-07-20 00:16:26,271 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 00:16:26,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 00:16:26,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 00:16:26,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 00:16:26,276 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 12:16:12" (1/3) ... [2022-07-20 00:16:26,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc05ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:16:26, skipping insertion in model container [2022-07-20 00:16:26,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 12:16:16" (2/3) ... [2022-07-20 00:16:26,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc05ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 12:16:26, skipping insertion in model container [2022-07-20 00:16:26,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 12:16:26" (3/3) ... [2022-07-20 00:16:26,279 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-20 00:16:26,292 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 00:16:26,292 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 00:16:26,399 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 00:16:26,405 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@4513850c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@44606ac2 [2022-07-20 00:16:26,406 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 00:16:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 3869 states, 2500 states have (on average 1.276) internal successors, (3190), 2583 states have internal predecessors, (3190), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) [2022-07-20 00:16:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-20 00:16:26,455 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:16:26,456 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:16:26,456 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:16:26,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:16:26,462 INFO L85 PathProgramCache]: Analyzing trace with hash -711896599, now seen corresponding path program 1 times [2022-07-20 00:16:26,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:16:26,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583902582] [2022-07-20 00:16:26,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:16:26,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:16:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:16:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:16:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:16:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:16:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:16:27,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:16:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:16:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:16:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:16:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:16:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:16:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:16:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:16:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:16:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:16:27,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:16:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:16:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:27,400 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:16:27,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:16:27,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583902582] [2022-07-20 00:16:27,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583902582] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:16:27,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:16:27,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 00:16:27,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278588318] [2022-07-20 00:16:27,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:16:27,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:16:27,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:16:27,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:16:27,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:16:27,431 INFO L87 Difference]: Start difference. First operand has 3869 states, 2500 states have (on average 1.276) internal successors, (3190), 2583 states have internal predecessors, (3190), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:16:37,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:16:37,576 INFO L93 Difference]: Finished difference Result 8424 states and 12313 transitions. [2022-07-20 00:16:37,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 00:16:37,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-20 00:16:37,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:16:37,631 INFO L225 Difference]: With dead ends: 8424 [2022-07-20 00:16:37,631 INFO L226 Difference]: Without dead ends: 4539 [2022-07-20 00:16:37,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:16:37,666 INFO L413 NwaCegarLoop]: 4913 mSDtfsCounter, 4347 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 5016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4454 SdHoareTripleChecker+Valid, 7070 SdHoareTripleChecker+Invalid, 7313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5016 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:16:37,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4454 Valid, 7070 Invalid, 7313 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5016 Valid, 2297 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-07-20 00:16:37,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4539 states. [2022-07-20 00:16:37,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4539 to 3848. [2022-07-20 00:16:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3848 states, 2487 states have (on average 1.2706071572175313) internal successors, (3160), 2562 states have internal predecessors, (3160), 1118 states have call successors, (1118), 243 states have call predecessors, (1118), 242 states have return successors, (1116), 1087 states have call predecessors, (1116), 1116 states have call successors, (1116) [2022-07-20 00:16:37,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 3848 states and 5394 transitions. [2022-07-20 00:16:37,919 INFO L78 Accepts]: Start accepts. Automaton has 3848 states and 5394 transitions. Word has length 253 [2022-07-20 00:16:37,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:16:37,920 INFO L495 AbstractCegarLoop]: Abstraction has 3848 states and 5394 transitions. [2022-07-20 00:16:37,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:16:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 3848 states and 5394 transitions. [2022-07-20 00:16:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-20 00:16:37,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:16:37,927 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 00:16:37,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 00:16:37,928 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:16:37,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:16:37,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1510072297, now seen corresponding path program 1 times [2022-07-20 00:16:37,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:16:37,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067335770] [2022-07-20 00:16:37,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:16:37,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:16:38,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:16:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:16:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:16:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:16:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:16:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:16:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:16:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:16:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:38,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:16:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:16:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:16:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:16:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:16:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:16:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:16:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:16:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:16:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:16:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:16:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:16:38,662 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:16:38,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:16:38,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067335770] [2022-07-20 00:16:38,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067335770] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:16:38,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:16:38,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:16:38,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988653964] [2022-07-20 00:16:38,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:16:38,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:16:38,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:16:38,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:16:38,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:16:38,670 INFO L87 Difference]: Start difference. First operand 3848 states and 5394 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:17:00,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:13,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:15,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:17:15,732 INFO L93 Difference]: Finished difference Result 12846 states and 18545 transitions. [2022-07-20 00:17:15,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 00:17:15,733 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-20 00:17:15,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:17:15,854 INFO L225 Difference]: With dead ends: 12846 [2022-07-20 00:17:15,854 INFO L226 Difference]: Without dead ends: 9031 [2022-07-20 00:17:15,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:17:15,902 INFO L413 NwaCegarLoop]: 6169 mSDtfsCounter, 13204 mSDsluCounter, 6009 mSDsCounter, 0 mSdLazyCounter, 5916 mSolverCounterSat, 10727 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13909 SdHoareTripleChecker+Valid, 12178 SdHoareTripleChecker+Invalid, 16645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10727 IncrementalHoareTripleChecker+Valid, 5916 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:17:15,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13909 Valid, 12178 Invalid, 16645 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10727 Valid, 5916 Invalid, 2 Unknown, 0 Unchecked, 36.1s Time] [2022-07-20 00:17:15,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9031 states. [2022-07-20 00:17:16,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9031 to 7646. [2022-07-20 00:17:16,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7646 states, 4945 states have (on average 1.271587462082912) internal successors, (6288), 5094 states have internal predecessors, (6288), 2216 states have call successors, (2216), 485 states have call predecessors, (2216), 484 states have return successors, (2216), 2156 states have call predecessors, (2216), 2214 states have call successors, (2216) [2022-07-20 00:17:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7646 states to 7646 states and 10720 transitions. [2022-07-20 00:17:16,549 INFO L78 Accepts]: Start accepts. Automaton has 7646 states and 10720 transitions. Word has length 253 [2022-07-20 00:17:16,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:17:16,552 INFO L495 AbstractCegarLoop]: Abstraction has 7646 states and 10720 transitions. [2022-07-20 00:17:16,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 00:17:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 7646 states and 10720 transitions. [2022-07-20 00:17:16,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-20 00:17:16,573 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:17:16,573 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-20 00:17:16,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 00:17:16,574 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:17:16,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:17:16,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1524897716, now seen corresponding path program 1 times [2022-07-20 00:17:16,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:17:16,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236067394] [2022-07-20 00:17:16,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:17:16,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:17:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:16,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:17:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:16,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:16,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:17:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:17:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:17:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:17:17,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:17:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:17:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:17:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:17,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:17:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:17:17,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:17:17,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:17:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:17:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:17:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:17:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:17:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:17:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:17:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 00:17:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:17:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 00:17:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:17:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:17:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 00:17:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:17:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:17:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-07-20 00:17:17,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:17:17,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236067394] [2022-07-20 00:17:17,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236067394] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:17:17,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:17:17,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 00:17:17,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165202468] [2022-07-20 00:17:17,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:17:17,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 00:17:17,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:17:17,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 00:17:17,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:17:17,766 INFO L87 Difference]: Start difference. First operand 7646 states and 10720 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-20 00:17:24,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:27,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:17:49,647 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:37,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:39,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:40,940 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:42,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:43,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:44,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:49,025 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:50,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:18:52,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:18:52,836 INFO L93 Difference]: Finished difference Result 26636 states and 38917 transitions. [2022-07-20 00:18:52,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-20 00:18:52,837 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 335 [2022-07-20 00:18:52,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:18:52,939 INFO L225 Difference]: With dead ends: 26636 [2022-07-20 00:18:52,940 INFO L226 Difference]: Without dead ends: 19029 [2022-07-20 00:18:52,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-07-20 00:18:52,981 INFO L413 NwaCegarLoop]: 5655 mSDtfsCounter, 8119 mSDsluCounter, 12952 mSDsCounter, 0 mSdLazyCounter, 24027 mSolverCounterSat, 6248 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9268 SdHoareTripleChecker+Valid, 18607 SdHoareTripleChecker+Invalid, 30276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 6248 IncrementalHoareTripleChecker+Valid, 24027 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.9s IncrementalHoareTripleChecker+Time [2022-07-20 00:18:52,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9268 Valid, 18607 Invalid, 30276 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [6248 Valid, 24027 Invalid, 1 Unknown, 0 Unchecked, 92.9s Time] [2022-07-20 00:18:53,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19029 states. [2022-07-20 00:18:53,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19029 to 13093. [2022-07-20 00:18:53,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13093 states, 8402 states have (on average 1.2594620328493216) internal successors, (10582), 8695 states have internal predecessors, (10582), 3781 states have call successors, (3781), 909 states have call predecessors, (3781), 909 states have return successors, (3783), 3662 states have call predecessors, (3783), 3779 states have call successors, (3783) [2022-07-20 00:18:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13093 states to 13093 states and 18146 transitions. [2022-07-20 00:18:53,729 INFO L78 Accepts]: Start accepts. Automaton has 13093 states and 18146 transitions. Word has length 335 [2022-07-20 00:18:53,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:18:53,730 INFO L495 AbstractCegarLoop]: Abstraction has 13093 states and 18146 transitions. [2022-07-20 00:18:53,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-20 00:18:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 13093 states and 18146 transitions. [2022-07-20 00:18:53,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-07-20 00:18:53,737 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:18:53,737 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-20 00:18:53,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 00:18:53,738 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:18:53,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:18:53,738 INFO L85 PathProgramCache]: Analyzing trace with hash -818170750, now seen corresponding path program 1 times [2022-07-20 00:18:53,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:18:53,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886491817] [2022-07-20 00:18:53,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:18:53,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:18:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:18:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:18:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:18:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:18:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:18:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:18:54,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:18:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:18:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:18:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:18:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:18:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:18:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:18:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:18:54,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:18:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:18:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:18:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 00:18:54,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-20 00:18:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-20 00:18:54,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-20 00:18:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:18:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:54,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 00:18:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 00:18:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 00:18:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:18:54,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:18:54,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886491817] [2022-07-20 00:18:54,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886491817] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:18:54,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [388754376] [2022-07-20 00:18:54,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:18:54,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:18:54,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:18:54,474 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) [2022-07-20 00:18:54,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 00:18:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:55,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 3729 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 00:18:55,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:18:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-20 00:18:55,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:18:55,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [388754376] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:18:55,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:18:55,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2022-07-20 00:18:55,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358302097] [2022-07-20 00:18:55,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:18:55,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:18:55,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:18:55,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:18:55,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:18:55,848 INFO L87 Difference]: Start difference. First operand 13093 states and 18146 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-20 00:18:56,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:18:56,400 INFO L93 Difference]: Finished difference Result 26259 states and 36712 transitions. [2022-07-20 00:18:56,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:18:56,402 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 324 [2022-07-20 00:18:56,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:18:56,459 INFO L225 Difference]: With dead ends: 26259 [2022-07-20 00:18:56,459 INFO L226 Difference]: Without dead ends: 13205 [2022-07-20 00:18:56,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:18:56,512 INFO L413 NwaCegarLoop]: 5389 mSDtfsCounter, 22 mSDsluCounter, 16136 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 21525 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:18:56,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 21525 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:18:56,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13205 states. [2022-07-20 00:18:57,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13205 to 13205. [2022-07-20 00:18:57,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13205 states, 8478 states have (on average 1.2576079263977353) internal successors, (10662), 8771 states have internal predecessors, (10662), 3809 states have call successors, (3809), 917 states have call predecessors, (3809), 917 states have return successors, (3811), 3690 states have call predecessors, (3811), 3807 states have call successors, (3811) [2022-07-20 00:18:57,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13205 states to 13205 states and 18282 transitions. [2022-07-20 00:18:57,206 INFO L78 Accepts]: Start accepts. Automaton has 13205 states and 18282 transitions. Word has length 324 [2022-07-20 00:18:57,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:18:57,209 INFO L495 AbstractCegarLoop]: Abstraction has 13205 states and 18282 transitions. [2022-07-20 00:18:57,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-20 00:18:57,210 INFO L276 IsEmpty]: Start isEmpty. Operand 13205 states and 18282 transitions. [2022-07-20 00:18:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-20 00:18:57,220 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:18:57,221 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:18:57,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-20 00:18:57,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:18:57,432 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:18:57,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:18:57,432 INFO L85 PathProgramCache]: Analyzing trace with hash 159305928, now seen corresponding path program 1 times [2022-07-20 00:18:57,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:18:57,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931049759] [2022-07-20 00:18:57,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:18:57,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:18:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:18:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:18:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:18:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:18:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:18:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:18:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:18:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:18:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:18:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:18:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:18:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:18:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:18:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:18:57,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:18:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:18:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:18:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:18:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 00:18:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 00:18:57,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:18:57,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 00:18:57,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 00:18:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 00:18:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 00:18:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-20 00:18:57,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:57,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-20 00:18:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:58,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 00:18:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:58,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:18:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:58,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 00:18:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:58,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-20 00:18:58,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:58,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 00:18:58,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2022-07-20 00:18:58,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:18:58,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931049759] [2022-07-20 00:18:58,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931049759] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:18:58,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107837865] [2022-07-20 00:18:58,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:18:58,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:18:58,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:18:58,068 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) [2022-07-20 00:18:58,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 00:18:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:18:59,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 4005 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 00:18:59,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:18:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2022-07-20 00:18:59,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:18:59,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107837865] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:18:59,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:18:59,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2022-07-20 00:18:59,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052557876] [2022-07-20 00:18:59,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:18:59,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 00:18:59,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:18:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 00:18:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:18:59,413 INFO L87 Difference]: Start difference. First operand 13205 states and 18282 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-20 00:19:00,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:19:00,115 INFO L93 Difference]: Finished difference Result 26503 states and 37040 transitions. [2022-07-20 00:19:00,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:19:00,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 360 [2022-07-20 00:19:00,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:19:00,173 INFO L225 Difference]: With dead ends: 26503 [2022-07-20 00:19:00,173 INFO L226 Difference]: Without dead ends: 13337 [2022-07-20 00:19:00,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:19:00,220 INFO L413 NwaCegarLoop]: 5390 mSDtfsCounter, 25 mSDsluCounter, 16142 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 21532 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:19:00,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 21532 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:19:00,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13337 states. [2022-07-20 00:19:00,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13337 to 13329. [2022-07-20 00:19:00,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13329 states, 8562 states have (on average 1.2564821303433777) internal successors, (10758), 8855 states have internal predecessors, (10758), 3841 states have call successors, (3841), 925 states have call predecessors, (3841), 925 states have return successors, (3855), 3722 states have call predecessors, (3855), 3839 states have call successors, (3855) [2022-07-20 00:19:00,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13329 states to 13329 states and 18454 transitions. [2022-07-20 00:19:00,781 INFO L78 Accepts]: Start accepts. Automaton has 13329 states and 18454 transitions. Word has length 360 [2022-07-20 00:19:00,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:19:00,782 INFO L495 AbstractCegarLoop]: Abstraction has 13329 states and 18454 transitions. [2022-07-20 00:19:00,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-20 00:19:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 13329 states and 18454 transitions. [2022-07-20 00:19:00,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-07-20 00:19:00,794 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:19:00,794 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-07-20 00:19:00,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 00:19:01,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:19:01,020 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:19:01,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:19:01,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1001312369, now seen corresponding path program 1 times [2022-07-20 00:19:01,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:19:01,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289377226] [2022-07-20 00:19:01,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:19:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:19:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:19:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:19:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:19:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:19:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:19:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:19:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:19:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:19:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:19:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:19:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:19:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:19:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:19:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:19:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:19:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:19:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:19:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 00:19:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:19:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:19:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 00:19:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 00:19:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:19:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 00:19:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 00:19:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:19:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:01,646 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2022-07-20 00:19:01,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:19:01,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289377226] [2022-07-20 00:19:01,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289377226] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:19:01,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:19:01,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 00:19:01,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481201763] [2022-07-20 00:19:01,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:19:01,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 00:19:01,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:19:01,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 00:19:01,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:19:01,649 INFO L87 Difference]: Start difference. First operand 13329 states and 18454 transitions. Second operand has 10 states, 10 states have (on average 12.9) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 9 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 00:19:07,597 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:09,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:38,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:42,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:44,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 00:19:45,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:19:45,401 INFO L93 Difference]: Finished difference Result 43178 states and 63429 transitions. [2022-07-20 00:19:45,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-20 00:19:45,410 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 9 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 388 [2022-07-20 00:19:45,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:19:45,579 INFO L225 Difference]: With dead ends: 43178 [2022-07-20 00:19:45,579 INFO L226 Difference]: Without dead ends: 29888 [2022-07-20 00:19:45,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-07-20 00:19:45,630 INFO L413 NwaCegarLoop]: 7586 mSDtfsCounter, 15793 mSDsluCounter, 9691 mSDsCounter, 0 mSdLazyCounter, 14548 mSolverCounterSat, 18885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17120 SdHoareTripleChecker+Valid, 17277 SdHoareTripleChecker+Invalid, 33433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18885 IncrementalHoareTripleChecker+Valid, 14548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.6s IncrementalHoareTripleChecker+Time [2022-07-20 00:19:45,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17120 Valid, 17277 Invalid, 33433 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18885 Valid, 14548 Invalid, 0 Unknown, 0 Unchecked, 41.6s Time] [2022-07-20 00:19:45,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29888 states. [2022-07-20 00:19:47,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29888 to 19586. [2022-07-20 00:19:47,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19586 states, 12620 states have (on average 1.2533280507131537) internal successors, (15817), 13060 states have internal predecessors, (15817), 5582 states have call successors, (5582), 1383 states have call predecessors, (5582), 1383 states have return successors, (5602), 5404 states have call predecessors, (5602), 5580 states have call successors, (5602) [2022-07-20 00:19:47,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19586 states to 19586 states and 27001 transitions. [2022-07-20 00:19:47,444 INFO L78 Accepts]: Start accepts. Automaton has 19586 states and 27001 transitions. Word has length 388 [2022-07-20 00:19:47,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:19:47,445 INFO L495 AbstractCegarLoop]: Abstraction has 19586 states and 27001 transitions. [2022-07-20 00:19:47,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 9 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 00:19:47,445 INFO L276 IsEmpty]: Start isEmpty. Operand 19586 states and 27001 transitions. [2022-07-20 00:19:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-20 00:19:47,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:19:47,481 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 3, 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] [2022-07-20 00:19:47,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 00:19:47,482 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:19:47,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:19:47,482 INFO L85 PathProgramCache]: Analyzing trace with hash 537544879, now seen corresponding path program 1 times [2022-07-20 00:19:47,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:19:47,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189115545] [2022-07-20 00:19:47,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:19:47,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:19:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:19:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:19:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:19:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:19:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:19:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:19:48,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:19:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:19:48,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:19:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:19:48,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:19:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:19:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:19:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:19:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:19:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:19:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:19:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 00:19:48,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:19:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:19:48,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 00:19:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-20 00:19:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-20 00:19:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:19:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-20 00:19:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 00:19:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-20 00:19:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:48,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1042 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2022-07-20 00:19:48,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:19:48,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189115545] [2022-07-20 00:19:48,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189115545] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:19:48,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937773745] [2022-07-20 00:19:48,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:19:48,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:19:48,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:19:48,752 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) [2022-07-20 00:19:48,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 00:19:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:50,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 4559 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 00:19:50,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:19:50,536 INFO L134 CoverageAnalysis]: Checked inductivity of 1042 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2022-07-20 00:19:50,547 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:19:50,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937773745] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:19:50,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:19:50,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [11] total 12 [2022-07-20 00:19:50,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906949481] [2022-07-20 00:19:50,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:19:50,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:19:50,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:19:50,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:19:50,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:19:50,550 INFO L87 Difference]: Start difference. First operand 19586 states and 27001 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:19:52,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:19:52,661 INFO L93 Difference]: Finished difference Result 45316 states and 62478 transitions. [2022-07-20 00:19:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:19:52,662 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 418 [2022-07-20 00:19:52,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:19:52,891 INFO L225 Difference]: With dead ends: 45316 [2022-07-20 00:19:52,907 INFO L226 Difference]: Without dead ends: 25769 [2022-07-20 00:19:53,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 535 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2022-07-20 00:19:53,033 INFO L413 NwaCegarLoop]: 6618 mSDtfsCounter, 5017 mSDsluCounter, 4463 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5017 SdHoareTripleChecker+Valid, 11081 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 00:19:53,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5017 Valid, 11081 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 00:19:53,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25769 states. [2022-07-20 00:19:54,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25769 to 25755. [2022-07-20 00:19:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25755 states, 16618 states have (on average 1.2537008063545554) internal successors, (20834), 17205 states have internal predecessors, (20834), 7303 states have call successors, (7303), 1833 states have call predecessors, (7303), 1833 states have return successors, (7329), 7066 states have call predecessors, (7329), 7301 states have call successors, (7329) [2022-07-20 00:19:55,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25755 states to 25755 states and 35466 transitions. [2022-07-20 00:19:55,108 INFO L78 Accepts]: Start accepts. Automaton has 25755 states and 35466 transitions. Word has length 418 [2022-07-20 00:19:55,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:19:55,110 INFO L495 AbstractCegarLoop]: Abstraction has 25755 states and 35466 transitions. [2022-07-20 00:19:55,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-20 00:19:55,110 INFO L276 IsEmpty]: Start isEmpty. Operand 25755 states and 35466 transitions. [2022-07-20 00:19:55,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-07-20 00:19:55,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:19:55,163 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:19:55,237 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 00:19:55,383 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 [2022-07-20 00:19:55,384 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:19:55,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:19:55,384 INFO L85 PathProgramCache]: Analyzing trace with hash -2047106267, now seen corresponding path program 1 times [2022-07-20 00:19:55,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:19:55,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87982620] [2022-07-20 00:19:55,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:19:55,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:19:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:19:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:19:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:19:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:19:55,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:19:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:19:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:19:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:55,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:19:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:19:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:19:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:19:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:19:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:19:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:19:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:19:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:19:55,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:19:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 00:19:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:55,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:19:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:19:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 00:19:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-20 00:19:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:19:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:19:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 00:19:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 00:19:56,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:56,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2022-07-20 00:19:56,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:19:56,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87982620] [2022-07-20 00:19:56,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87982620] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:19:56,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074507160] [2022-07-20 00:19:56,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:19:56,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:19:56,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:19:56,143 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) [2022-07-20 00:19:56,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 00:19:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:19:57,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 4273 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:19:57,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:19:57,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2022-07-20 00:19:57,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:19:57,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074507160] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:19:57,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:19:57,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 10 [2022-07-20 00:19:57,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254993095] [2022-07-20 00:19:57,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:19:57,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 00:19:57,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:19:57,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 00:19:57,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-20 00:19:57,508 INFO L87 Difference]: Start difference. First operand 25755 states and 35466 transitions. Second operand has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:19:59,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:19:59,157 INFO L93 Difference]: Finished difference Result 58742 states and 80927 transitions. [2022-07-20 00:19:59,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:19:59,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 419 [2022-07-20 00:19:59,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:19:59,293 INFO L225 Difference]: With dead ends: 58742 [2022-07-20 00:19:59,294 INFO L226 Difference]: Without dead ends: 33026 [2022-07-20 00:19:59,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-20 00:19:59,375 INFO L413 NwaCegarLoop]: 10157 mSDtfsCounter, 5125 mSDsluCounter, 15333 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5125 SdHoareTripleChecker+Valid, 25490 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:19:59,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5125 Valid, 25490 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:19:59,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33026 states. [2022-07-20 00:20:00,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33026 to 25759. [2022-07-20 00:20:00,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25759 states, 16622 states have (on average 1.253639754542173) internal successors, (20838), 17209 states have internal predecessors, (20838), 7303 states have call successors, (7303), 1833 states have call predecessors, (7303), 1833 states have return successors, (7329), 7066 states have call predecessors, (7329), 7301 states have call successors, (7329) [2022-07-20 00:20:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25759 states to 25759 states and 35470 transitions. [2022-07-20 00:20:00,959 INFO L78 Accepts]: Start accepts. Automaton has 25759 states and 35470 transitions. Word has length 419 [2022-07-20 00:20:00,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:20:00,960 INFO L495 AbstractCegarLoop]: Abstraction has 25759 states and 35470 transitions. [2022-07-20 00:20:00,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-20 00:20:00,960 INFO L276 IsEmpty]: Start isEmpty. Operand 25759 states and 35470 transitions. [2022-07-20 00:20:00,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-20 00:20:00,978 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:20:00,979 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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] [2022-07-20 00:20:01,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-20 00:20:01,196 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 [2022-07-20 00:20:01,197 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:20:01,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:20:01,197 INFO L85 PathProgramCache]: Analyzing trace with hash 829863502, now seen corresponding path program 1 times [2022-07-20 00:20:01,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:20:01,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548336692] [2022-07-20 00:20:01,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:01,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:20:01,319 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 00:20:01,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1557374812] [2022-07-20 00:20:01,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:01,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:20:01,331 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:20:01,333 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) [2022-07-20 00:20:01,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-20 00:20:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:02,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:20:02,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:20:02,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-07-20 00:20:02,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:20:02,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:20:02,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548336692] [2022-07-20 00:20:02,951 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 00:20:02,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557374812] [2022-07-20 00:20:02,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557374812] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:20:02,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:20:02,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 00:20:02,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463354907] [2022-07-20 00:20:02,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:20:02,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 00:20:02,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:20:02,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 00:20:02,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:20:02,954 INFO L87 Difference]: Start difference. First operand 25759 states and 35470 transitions. Second operand has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:20:04,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:20:04,256 INFO L93 Difference]: Finished difference Result 53805 states and 74536 transitions. [2022-07-20 00:20:04,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 00:20:04,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 412 [2022-07-20 00:20:04,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:20:04,368 INFO L225 Difference]: With dead ends: 53805 [2022-07-20 00:20:04,368 INFO L226 Difference]: Without dead ends: 28085 [2022-07-20 00:20:04,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 00:20:04,444 INFO L413 NwaCegarLoop]: 6568 mSDtfsCounter, 727 mSDsluCounter, 5607 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 12175 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 00:20:04,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 12175 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 00:20:04,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28085 states. [2022-07-20 00:20:05,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28085 to 25761. [2022-07-20 00:20:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25761 states, 16624 states have (on average 1.253609239653513) internal successors, (20840), 17211 states have internal predecessors, (20840), 7303 states have call successors, (7303), 1833 states have call predecessors, (7303), 1833 states have return successors, (7329), 7066 states have call predecessors, (7329), 7301 states have call successors, (7329) [2022-07-20 00:20:05,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25761 states to 25761 states and 35472 transitions. [2022-07-20 00:20:05,991 INFO L78 Accepts]: Start accepts. Automaton has 25761 states and 35472 transitions. Word has length 412 [2022-07-20 00:20:05,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:20:05,991 INFO L495 AbstractCegarLoop]: Abstraction has 25761 states and 35472 transitions. [2022-07-20 00:20:05,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.666666666666664) internal successors, (149), 3 states have internal predecessors, (149), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:20:05,992 INFO L276 IsEmpty]: Start isEmpty. Operand 25761 states and 35472 transitions. [2022-07-20 00:20:06,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-20 00:20:06,006 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:20:06,007 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 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] [2022-07-20 00:20:06,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-20 00:20:06,227 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 [2022-07-20 00:20:06,228 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:20:06,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:20:06,228 INFO L85 PathProgramCache]: Analyzing trace with hash -53645488, now seen corresponding path program 1 times [2022-07-20 00:20:06,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:20:06,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974000378] [2022-07-20 00:20:06,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:06,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:20:06,402 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 00:20:06,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [24074979] [2022-07-20 00:20:06,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:06,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:20:06,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:20:06,415 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) [2022-07-20 00:20:06,417 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-20 00:20:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:07,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 4567 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-20 00:20:07,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:20:07,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1051 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-07-20 00:20:07,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:20:07,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:20:07,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974000378] [2022-07-20 00:20:07,873 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 00:20:07,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24074979] [2022-07-20 00:20:07,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24074979] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:20:07,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:20:07,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 00:20:07,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077644151] [2022-07-20 00:20:07,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:20:07,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 00:20:07,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:20:07,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 00:20:07,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 00:20:07,877 INFO L87 Difference]: Start difference. First operand 25761 states and 35472 transitions. Second operand has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:20:09,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:20:09,885 INFO L93 Difference]: Finished difference Result 53454 states and 73924 transitions. [2022-07-20 00:20:09,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 00:20:09,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 412 [2022-07-20 00:20:09,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:20:09,981 INFO L225 Difference]: With dead ends: 53454 [2022-07-20 00:20:09,981 INFO L226 Difference]: Without dead ends: 27732 [2022-07-20 00:20:10,042 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 408 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-20 00:20:10,043 INFO L413 NwaCegarLoop]: 5914 mSDtfsCounter, 1824 mSDsluCounter, 22302 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1876 SdHoareTripleChecker+Valid, 28216 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 401 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:20:10,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1876 Valid, 28216 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [401 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 00:20:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27732 states. [2022-07-20 00:20:11,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27732 to 25769. [2022-07-20 00:20:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25769 states, 16632 states have (on average 1.2534872534872534) internal successors, (20848), 17219 states have internal predecessors, (20848), 7303 states have call successors, (7303), 1833 states have call predecessors, (7303), 1833 states have return successors, (7329), 7066 states have call predecessors, (7329), 7301 states have call successors, (7329) [2022-07-20 00:20:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25769 states to 25769 states and 35480 transitions. [2022-07-20 00:20:12,021 INFO L78 Accepts]: Start accepts. Automaton has 25769 states and 35480 transitions. Word has length 412 [2022-07-20 00:20:12,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:20:12,022 INFO L495 AbstractCegarLoop]: Abstraction has 25769 states and 35480 transitions. [2022-07-20 00:20:12,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-20 00:20:12,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25769 states and 35480 transitions. [2022-07-20 00:20:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-07-20 00:20:12,041 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:20:12,041 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:20:12,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-20 00:20:12,267 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 [2022-07-20 00:20:12,268 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:20:12,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:20:12,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1955549901, now seen corresponding path program 1 times [2022-07-20 00:20:12,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:20:12,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343212711] [2022-07-20 00:20:12,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:12,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:20:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:20:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:20:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:20:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:20:12,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:12,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:20:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:12,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:12,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:20:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:20:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:12,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:20:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:20:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:13,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:20:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:20:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:20:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:20:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:20:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:20:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:20:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:20:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 00:20:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:20:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:13,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:20:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 00:20:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-20 00:20:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-20 00:20:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-20 00:20:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 00:20:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 00:20:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:13,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 6 proven. 26 refuted. 0 times theorem prover too weak. 1037 trivial. 0 not checked. [2022-07-20 00:20:13,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:20:13,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343212711] [2022-07-20 00:20:13,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343212711] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:20:13,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672758103] [2022-07-20 00:20:13,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:13,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:20:13,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:20:13,762 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) [2022-07-20 00:20:13,817 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-20 00:20:15,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:15,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 4321 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-20 00:20:15,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:20:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1069 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2022-07-20 00:20:15,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:20:15,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672758103] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:20:15,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:20:15,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 14 [2022-07-20 00:20:15,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290921355] [2022-07-20 00:20:15,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:20:15,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 00:20:15,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:20:15,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 00:20:15,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-07-20 00:20:15,591 INFO L87 Difference]: Start difference. First operand 25769 states and 35480 transitions. Second operand has 8 states, 8 states have (on average 18.625) internal successors, (149), 8 states have internal predecessors, (149), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-20 00:20:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:20:18,437 INFO L93 Difference]: Finished difference Result 59566 states and 82105 transitions. [2022-07-20 00:20:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 00:20:18,438 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.625) internal successors, (149), 8 states have internal predecessors, (149), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 437 [2022-07-20 00:20:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:20:18,755 INFO L225 Difference]: With dead ends: 59566 [2022-07-20 00:20:18,755 INFO L226 Difference]: Without dead ends: 33836 [2022-07-20 00:20:18,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 556 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2022-07-20 00:20:18,827 INFO L413 NwaCegarLoop]: 10355 mSDtfsCounter, 6855 mSDsluCounter, 56386 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6907 SdHoareTripleChecker+Valid, 66741 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 00:20:18,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6907 Valid, 66741 Invalid, 651 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [367 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 00:20:18,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33836 states. [2022-07-20 00:20:20,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33836 to 25797. [2022-07-20 00:20:20,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25797 states, 16652 states have (on average 1.2535431179437906) internal successors, (20874), 17239 states have internal predecessors, (20874), 7311 states have call successors, (7311), 1833 states have call predecessors, (7311), 1833 states have return successors, (7337), 7074 states have call predecessors, (7337), 7309 states have call successors, (7337) [2022-07-20 00:20:20,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25797 states to 25797 states and 35522 transitions. [2022-07-20 00:20:20,539 INFO L78 Accepts]: Start accepts. Automaton has 25797 states and 35522 transitions. Word has length 437 [2022-07-20 00:20:20,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:20:20,540 INFO L495 AbstractCegarLoop]: Abstraction has 25797 states and 35522 transitions. [2022-07-20 00:20:20,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.625) internal successors, (149), 8 states have internal predecessors, (149), 3 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-20 00:20:20,540 INFO L276 IsEmpty]: Start isEmpty. Operand 25797 states and 35522 transitions. [2022-07-20 00:20:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-07-20 00:20:20,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:20:20,554 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-20 00:20:20,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-07-20 00:20:20,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:20:20,768 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:20:20,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:20:20,768 INFO L85 PathProgramCache]: Analyzing trace with hash -932768478, now seen corresponding path program 1 times [2022-07-20 00:20:20,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:20:20,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792405124] [2022-07-20 00:20:20,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:20,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:20:20,887 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 00:20:20,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [485094858] [2022-07-20 00:20:20,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:20,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:20:20,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:20:20,901 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) [2022-07-20 00:20:20,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-20 00:20:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:22,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 4508 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 00:20:22,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:20:22,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-07-20 00:20:22,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:20:22,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:20:22,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792405124] [2022-07-20 00:20:22,566 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 00:20:22,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485094858] [2022-07-20 00:20:22,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485094858] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:20:22,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 00:20:22,566 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 00:20:22,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779817727] [2022-07-20 00:20:22,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:20:22,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 00:20:22,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:20:22,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 00:20:22,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 00:20:22,568 INFO L87 Difference]: Start difference. First operand 25797 states and 35522 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-20 00:20:24,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:20:24,219 INFO L93 Difference]: Finished difference Result 55356 states and 76878 transitions. [2022-07-20 00:20:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:20:24,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 424 [2022-07-20 00:20:24,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:20:24,322 INFO L225 Difference]: With dead ends: 55356 [2022-07-20 00:20:24,322 INFO L226 Difference]: Without dead ends: 29598 [2022-07-20 00:20:24,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 425 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 00:20:24,392 INFO L413 NwaCegarLoop]: 6509 mSDtfsCounter, 1447 mSDsluCounter, 11684 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1597 SdHoareTripleChecker+Valid, 18193 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 00:20:24,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1597 Valid, 18193 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 00:20:24,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29598 states. [2022-07-20 00:20:25,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29598 to 25801. [2022-07-20 00:20:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25801 states, 16656 states have (on average 1.2534822286263207) internal successors, (20878), 17243 states have internal predecessors, (20878), 7311 states have call successors, (7311), 1833 states have call predecessors, (7311), 1833 states have return successors, (7337), 7074 states have call predecessors, (7337), 7309 states have call successors, (7337) [2022-07-20 00:20:25,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25801 states to 25801 states and 35526 transitions. [2022-07-20 00:20:25,944 INFO L78 Accepts]: Start accepts. Automaton has 25801 states and 35526 transitions. Word has length 424 [2022-07-20 00:20:25,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:20:25,944 INFO L495 AbstractCegarLoop]: Abstraction has 25801 states and 35526 transitions. [2022-07-20 00:20:25,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-07-20 00:20:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 25801 states and 35526 transitions. [2022-07-20 00:20:25,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 455 [2022-07-20 00:20:25,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:20:25,960 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 00:20:25,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-20 00:20:26,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-20 00:20:26,178 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:20:26,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:20:26,179 INFO L85 PathProgramCache]: Analyzing trace with hash -516783772, now seen corresponding path program 1 times [2022-07-20 00:20:26,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:20:26,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411674705] [2022-07-20 00:20:26,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:26,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:20:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:20:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:20:26,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:20:26,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:20:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:20:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:20:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:20:26,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:20:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:20:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:20:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:20:26,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:20:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:20:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:20:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:20:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:20:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:20:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 00:20:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 00:20:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-20 00:20:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 00:20:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-07-20 00:20:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-20 00:20:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:26,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-20 00:20:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-07-20 00:20:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-20 00:20:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 00:20:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 00:20:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:27,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 8 proven. 28 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2022-07-20 00:20:27,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:20:27,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411674705] [2022-07-20 00:20:27,025 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411674705] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:20:27,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987431347] [2022-07-20 00:20:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:27,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:20:27,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:20:27,027 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:20:27,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-20 00:20:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:28,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 4426 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 00:20:28,594 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 00:20:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2022-07-20 00:20:28,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 00:20:28,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987431347] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 00:20:28,657 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 00:20:28,657 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [16] total 18 [2022-07-20 00:20:28,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639269392] [2022-07-20 00:20:28,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 00:20:28,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 00:20:28,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 00:20:28,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 00:20:28,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2022-07-20 00:20:28,659 INFO L87 Difference]: Start difference. First operand 25801 states and 35526 transitions. Second operand has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-20 00:20:31,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 00:20:31,828 INFO L93 Difference]: Finished difference Result 77222 states and 106337 transitions. [2022-07-20 00:20:31,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 00:20:31,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 454 [2022-07-20 00:20:31,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 00:20:32,054 INFO L225 Difference]: With dead ends: 77222 [2022-07-20 00:20:32,054 INFO L226 Difference]: Without dead ends: 51408 [2022-07-20 00:20:32,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 574 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2022-07-20 00:20:32,153 INFO L413 NwaCegarLoop]: 10504 mSDtfsCounter, 5319 mSDsluCounter, 15887 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5319 SdHoareTripleChecker+Valid, 26391 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 00:20:32,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5319 Valid, 26391 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 00:20:32,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51408 states. [2022-07-20 00:20:35,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51408 to 51311. [2022-07-20 00:20:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51311 states, 33128 states have (on average 1.2539241729050954) internal successors, (41540), 34297 states have internal predecessors, (41540), 14547 states have call successors, (14547), 3634 states have call predecessors, (14547), 3635 states have return successors, (14601), 14079 states have call predecessors, (14601), 14545 states have call successors, (14601) [2022-07-20 00:20:35,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51311 states to 51311 states and 70688 transitions. [2022-07-20 00:20:35,979 INFO L78 Accepts]: Start accepts. Automaton has 51311 states and 70688 transitions. Word has length 454 [2022-07-20 00:20:35,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 00:20:35,984 INFO L495 AbstractCegarLoop]: Abstraction has 51311 states and 70688 transitions. [2022-07-20 00:20:35,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.5) internal successors, (162), 4 states have internal predecessors, (162), 2 states have call successors, (43), 2 states have call predecessors, (43), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-20 00:20:35,984 INFO L276 IsEmpty]: Start isEmpty. Operand 51311 states and 70688 transitions. [2022-07-20 00:20:36,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-07-20 00:20:36,010 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 00:20:36,011 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-20 00:20:36,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-20 00:20:36,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-07-20 00:20:36,225 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 00:20:36,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 00:20:36,225 INFO L85 PathProgramCache]: Analyzing trace with hash 68560914, now seen corresponding path program 1 times [2022-07-20 00:20:36,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 00:20:36,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313268194] [2022-07-20 00:20:36,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:36,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 00:20:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:20:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-20 00:20:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-20 00:20:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 00:20:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 00:20:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 00:20:36,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 00:20:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-20 00:20:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 00:20:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-20 00:20:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 00:20:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-20 00:20:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-20 00:20:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 00:20:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-20 00:20:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 00:20:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 00:20:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-20 00:20:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-07-20 00:20:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:20:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 00:20:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 00:20:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 00:20:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 00:20:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:20:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 00:20:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 00:20:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 00:20:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-20 00:20:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 00:20:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 00:20:36,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 00:20:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 00:20:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-20 00:20:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-20 00:20:36,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-20 00:20:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-20 00:20:36,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 00:20:36,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-20 00:20:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-20 00:20:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-20 00:20:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2022-07-20 00:20:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 00:20:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 00:20:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 00:20:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 00:20:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 00:20:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 00:20:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-20 00:20:36,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 00:20:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 907 trivial. 0 not checked. [2022-07-20 00:20:36,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 00:20:36,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313268194] [2022-07-20 00:20:36,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313268194] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 00:20:36,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041832765] [2022-07-20 00:20:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 00:20:36,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 00:20:36,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 00:20:36,896 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 00:20:36,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process